Pearson eText Algebra Foundations: Prealgebra, Introductory Algebra & Intermediate Algebra -- Instant Access (Pearson+)
Pearson eText Algebra Foundations: Prealgebra, Introductory Algebra & Intermediate Algebra -- Instant Access (Pearson+)
2nd Edition
ISBN: 9780136881179
Author: Elayn Martin-Gay
Publisher: PEARSON+
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Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 …
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experime…
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Chapter 15.4, Problem 11ES

Solve. See Example 2.

11. The amount W of water used varies directly with the population N of people. Kansas City has a poput at ion of 482,000 pcoplc and used 30 billion gallons of water in fiscal year 2017. Find how many billion gallons of water we would expect Springfield to use if we know that its population is 168.000. Round to the nearest tenth of a billion. (Source: Kansas City Water Board)

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Chapter 15 Solutions

Pearson eText Algebra Foundations: Prealgebra, Introductory Algebra & Intermediate Algebra -- Instant Access (Pearson+)

Ch. 15.1 - Use the choices given to fill in each blank. Not...Ch. 15.1 - Prob. 2VRVCCh. 15.1 - Prob. 3VRVCCh. 15.1 - State the slope and the y-intercept of the graph...Ch. 15.1 - Prob. 5VRVCCh. 15.1 - Prob. 6VRVCCh. 15.1 - Prob. 7VRVCCh. 15.1 - Prob. 8VRVCCh. 15.1 - Prob. 9VRVCCh. 15.1 - Prob. 10VRVC
Ch. 15.1 - Prob. 1ESCh. 15.1 - Prob. 2ESCh. 15.1 - Prob. 3ESCh. 15.1 - Prob. 4ESCh. 15.1 - Prob. 5ESCh. 15.1 - Prob. 6ESCh. 15.1 - Prob. 7ESCh. 15.1 - Objetive A Graph each linear function. See Example...Ch. 15.1 - Prob. 9ESCh. 15.1 - Prob. 10ESCh. 15.1 - Prob. 11ESCh. 15.1 - Prob. 12ESCh. 15.1 - Prob. 13ESCh. 15.1 - Prob. 14ESCh. 15.1 - Prob. 15ESCh. 15.1 - Prob. 16ESCh. 15.1 - Prob. 17ESCh. 15.1 - Prob. 18ESCh. 15.1 - Prob. 19ESCh. 15.1 - Prob. 20ESCh. 15.1 - Prob. 21ESCh. 15.1 - Prob. 22ESCh. 15.1 - Prob. 23ESCh. 15.1 - Prob. 24ESCh. 15.1 - Prob. 25ESCh. 15.1 - Prob. 26ESCh. 15.1 - Prob. 27ESCh. 15.1 - Prob. 28ESCh. 15.1 - Prob. 29ESCh. 15.1 - Prob. 30ESCh. 15.1 - Prob. 31ESCh. 15.1 - Prob. 32ESCh. 15.1 - Find an equation of the line passing through the...Ch. 15.1 - Prob. 34ESCh. 15.1 - Prob. 35ESCh. 15.1 - Prob. 36ESCh. 15.1 - Prob. 37ESCh. 15.1 - Prob. 38ESCh. 15.1 - Prob. 39ESCh. 15.1 - Prob. 40ESCh. 15.1 - Prob. 41ESCh. 15.1 - Prob. 42ESCh. 15.1 - Prob. 43ESCh. 15.1 - Prob. 44ESCh. 15.1 - Prob. 45ESCh. 15.1 - Prob. 46ESCh. 15.1 - Prob. 47ESCh. 15.1 - Prob. 48ESCh. 15.1 - Prob. 49ESCh. 15.1 - Prob. 50ESCh. 15.1 - Prob. 51ESCh. 15.1 - Prob. 52ESCh. 15.1 - Prob. 53ESCh. 15.1 - Objective B C Mixed Practice Find an equation of...Ch. 15.1 - Prob. 55ESCh. 15.1 - Prob. 56ESCh. 15.1 - Prob. 57ESCh. 15.1 - Prob. 58ESCh. 15.1 - Prob. 59ESCh. 15.1 - Prob. 60ESCh. 15.1 - Prob. 61ESCh. 15.1 - Prob. 62ESCh. 15.1 - Prob. 63ESCh. 15.1 - Prob. 64ESCh. 15.1 - Prob. 65ESCh. 15.1 - Prob. 66ESCh. 15.1 - Prob. 67ESCh. 15.1 - Prob. 68ESCh. 15.1 - Prob. 69ESCh. 15.1 - Prob. 70ESCh. 15.1 - Prob. 71ESCh. 15.1 - Prob. 72ESCh. 15.1 - Prob. 73ESCh. 15.1 - Prob. 74ESCh. 15.1 - Prob. 75ESCh. 15.1 - Prob. 76ESCh. 15.1 - Prob. 77ESCh. 15.1 - Prob. 78ESCh. 15.1 - Prob. 79ESCh. 15.1 - Prob. 80ESCh. 15.1 - Prob. 81ESCh. 15.1 - Prob. 82ESCh. 15.1 - Prob. 83ESCh. 15.1 - Prob. 84ESCh. 15.1 - Prob. 85ESCh. 15.1 - Prob. 86ESCh. 15.1 - Prob. 87ESCh. 15.1 - Prob. 88ESCh. 15.1 - Prob. 89ESCh. 15.1 - Prob. 90ESCh. 15.1 - Find an equation of the perpendicular bisector of...Ch. 15.1 - Prob. 92ESCh. 15.1 - Solve. 93. Describe how to check to see if the...Ch. 15.2 - Prob. 1VRVCCh. 15.2 - Prob. 2VRVCCh. 15.2 - Prob. 3VRVCCh. 15.2 - Prob. 4VRVCCh. 15.2 - Prob. 1ESCh. 15.2 - Prob. 2ESCh. 15.2 - Prob. 3ESCh. 15.2 - Prob. 4ESCh. 15.2 - Prob. 5ESCh. 15.2 - Prob. 6ESCh. 15.2 - Prob. 7ESCh. 15.2 - Prob. 8ESCh. 15.2 - Prob. 9ESCh. 15.2 - Prob. 10ESCh. 15.2 - Prob. 11ESCh. 15.2 - Prob. 12ESCh. 15.2 - Prob. 13ESCh. 15.2 - Prob. 14ESCh. 15.2 - Prob. 15ESCh. 15.2 - Prob. 16ESCh. 15.2 - Prob. 17ESCh. 15.2 - Prob. 18ESCh. 15.2 - Prob. 19ESCh. 15.2 - Prob. 20ESCh. 15.2 - Prob. 21ESCh. 15.2 - Prob. 22ESCh. 15.2 - Prob. 23ESCh. 15.2 - Prob. 24ESCh. 15.2 - Prob. 25ESCh. 15.2 - Prob. 26ESCh. 15.2 - Prob. 27ESCh. 15.2 - Prob. 28ESCh. 15.2 - Prob. 29ESCh. 15.2 - Prob. 30ESCh. 15.2 - Prob. 31ESCh. 15.2 - Prob. 32ESCh. 15.2 - Prob. 33ESCh. 15.2 - Prob. 34ESCh. 15.2 - Prob. 35ESCh. 15.2 - Prob. 36ESCh. 15.2 - Prob. 37ESCh. 15.2 - Prob. 38ESCh. 15.2 - Prob. 39ESCh. 15.2 - Prob. 40ESCh. 15.2 - Prob. 41ESCh. 15.2 - Prob. 42ESCh. 15.2 - Prob. 43ESCh. 15.2 - Prob. 44ESCh. 15.2 - Prob. 45ESCh. 15.2 - Prob. 46ESCh. 15.2 - Prob. 47ESCh. 15.2 - Prob. 48ESCh. 15.2 - Prob. 49ESCh. 15.2 - Prob. 50ESCh. 15.2 - Forensic scientists use the following functions to...Ch. 15.2 - Prob. 52ESCh. 15.2 - Prob. 53ESCh. 15.2 - Prob. 54ESCh. 15.2 - Prob. 55ESCh. 15.2 - Prob. 56ESCh. 15.2 - Prob. 57ESCh. 15.2 - Prob. 58ESCh. 15.2 - Prob. 59ESCh. 15.2 - Prob. 60ESCh. 15.2 - Prob. 61ESCh. 15.2 - Prob. 62ESCh. 15.2 - Prob. 63ESCh. 15.2 - Prob. 64ESCh. 15.2 - Prob. 65ESCh. 15.2 - Prob. 66ESCh. 15.2 - Prob. 67ESCh. 15.2 - Prob. 68ESCh. 15.2 - Graph y=x24x+7. Let x=0,1,2,3,4 to generate...Ch. 15.2 - Graph y=x2+2x+3. Let x=3,2,1,0,1 to generate...Ch. 15.2 - Prob. 71ESCh. 15.3 - Prob. 1VRVCCh. 15.3 - Prob. 2VRVCCh. 15.3 - Prob. 3VRVCCh. 15.3 - Prob. 4VRVCCh. 15.3 - Prob. 1ESCh. 15.3 - Prob. 2ESCh. 15.3 - Prob. 3ESCh. 15.3 - Prob. 4ESCh. 15.3 - Prob. 5ESCh. 15.3 - Prob. 6ESCh. 15.3 - Prob. 7ESCh. 15.3 - Prob. 8ESCh. 15.3 - Prob. 9ESCh. 15.3 - Prob. 10ESCh. 15.3 - Prob. 11ESCh. 15.3 - Prob. 12ESCh. 15.3 - Prob. 13ESCh. 15.3 - Prob. 14ESCh. 15.3 - Prob. 15ESCh. 15.3 - Prob. 16ESCh. 15.3 - Prob. 17ESCh. 15.3 - Prob. 18ESCh. 15.3 - Prob. 19ESCh. 15.3 - Prob. 20ESCh. 15.3 - Prob. 21ESCh. 15.3 - Prob. 22ESCh. 15.3 - Prob. 23ESCh. 15.3 - Prob. 24ESCh. 15.3 - Prob. 25ESCh. 15.3 - Prob. 26ESCh. 15.3 - Prob. 27ESCh. 15.3 - Prob. 28ESCh. 15.3 - Prob. 29ESCh. 15.3 - Prob. 30ESCh. 15.3 - Prob. 31ESCh. 15.3 - Prob. 32ESCh. 15.3 - Prob. 33ESCh. 15.3 - Prob. 34ESCh. 15.3 - Prob. 35ESCh. 15.3 - Prob. 36ESCh. 15.3 - Prob. 37ESCh. 15.3 - Prob. 38ESCh. 15.3 - Prob. 39ESCh. 15.3 - Prob. 40ESCh. 15.3 - Prob. 41ESCh. 15.3 - Prob. 42ESCh. 15.3 - Prob. 43ESCh. 15.3 - Prob. 44ESCh. 15.3 - Prob. 45ESCh. 15.3 - Prob. 46ESCh. 15.3 - Prob. 47ESCh. 15.3 - Prob. 48ESCh. 15.3 - Prob. 49ESCh. 15.3 - Prob. 50ESCh. 15.3 - Prob. 51ESCh. 15.3 - Prob. 52ESCh. 15.3 - Prob. 53ESCh. 15.3 - Prob. 54ESCh. 15.3 - Prob. 55ESCh. 15.3 - Prob. 56ESCh. 15.3 - Prob. 57ESCh. 15.3 - Prob. 58ESCh. 15.3 - Prob. 59ESCh. 15.3 - Prob. 60ESCh. 15.3 - Prob. 61ESCh. 15.3 - Prob. 62ESCh. 15.3 - Prob. 63ESCh. 15.3 - Prob. 64ESCh. 15.3 - Prob. 65ESCh. 15.3 - Prob. 66ESCh. 15.3 - Prob. 67ESCh. 15.3 - Prob. 68ESCh. 15.3 - Prob. 69ESCh. 15.3 - Prob. 70ESCh. 15.4 - Prob. 1VRVCCh. 15.4 - Prob. 2VRVCCh. 15.4 - Prob. 3VRVCCh. 15.4 - Prob. 4VRVCCh. 15.4 - Prob. 5VRVCCh. 15.4 - Prob. 6VRVCCh. 15.4 - Prob. 7VRVCCh. 15.4 - Prob. 8VRVCCh. 15.4 - Prob. 1ESCh. 15.4 - Prob. 2ESCh. 15.4 - Prob. 3ESCh. 15.4 - Prob. 4ESCh. 15.4 - Prob. 5ESCh. 15.4 - Prob. 6ESCh. 15.4 - Prob. 7ESCh. 15.4 - Prob. 8ESCh. 15.4 - Prob. 9ESCh. 15.4 - Prob. 10ESCh. 15.4 - Solve. See Example 2. 11. The amount W of water...Ch. 15.4 - Prob. 12ESCh. 15.4 - Prob. 13ESCh. 15.4 - Prob. 14ESCh. 15.4 - Prob. 15ESCh. 15.4 - Prob. 16ESCh. 15.4 - Prob. 17ESCh. 15.4 - Prob. 18ESCh. 15.4 - Prob. 19ESCh. 15.4 - Prob. 20ESCh. 15.4 - Prob. 21ESCh. 15.4 - Prob. 22ESCh. 15.4 - Prob. 23ESCh. 15.4 - Prob. 24ESCh. 15.4 - Prob. 25ESCh. 15.4 - Prob. 26ESCh. 15.4 - Prob. 27ESCh. 15.4 - Prob. 28ESCh. 15.4 - Prob. 29ESCh. 15.4 - Prob. 30ESCh. 15.4 - Prob. 31ESCh. 15.4 - Prob. 32ESCh. 15.4 - Prob. 33ESCh. 15.4 - Prob. 34ESCh. 15.4 - Prob. 35ESCh. 15.4 - Prob. 36ESCh. 15.4 - Prob. 37ESCh. 15.4 - Prob. 38ESCh. 15.4 - Objective D Solve. See Example 7. 39. The maximum...Ch. 15.4 - Objective D Solve. See Example 7. 40. The number...Ch. 15.4 - Prob. 41ESCh. 15.4 - Prob. 42ESCh. 15.4 - Prob. 43ESCh. 15.4 - Prob. 44ESCh. 15.4 - Prob. 45ESCh. 15.4 - Prob. 46ESCh. 15.4 - Prob. 47ESCh. 15.4 - Prob. 48ESCh. 15.4 - Prob. 49ESCh. 15.4 - Prob. 50ESCh. 15.4 - Prob. 51ESCh. 15.4 - Prob. 52ESCh. 15.4 - Prob. 53ESCh. 15.4 - Prob. 54ESCh. 15.4 - Prob. 55ESCh. 15.4 - Prob. 56ESCh. 15.4 - Prob. 57ESCh. 15.4 - Prob. 58ESCh. 15.4 - Prob. 59ESCh. 15.4 - Prob. 60ESCh. 15.4 - Prob. 61ESCh. 15.4 - Prob. 62ESCh. 15.4 - Prob. 63ESCh. 15.4 - Prob. 64ESCh. 15.4 - Prob. 65ESCh. 15.4 - Prob. 66ESCh. 15.4 - Prob. 67ESCh. 15.4 - Prob. 68ESCh. 15.4 - Prob. 69ESCh. 15.4 - Prob. 70ESCh. 15.4 - Prob. 71ESCh. 15.4 - Prob. 72ESCh. 15.4 - Prob. 73ESCh. 15.4 - Prob. 74ESCh. 15.4 - Prob. 75ESCh. 15.4 - Prob. 76ESCh. 15.4 - Prob. 77ESCh. 15.4 - Prob. 78ESCh. 15 - Prob. 1IRCh. 15 - Prob. 2IRCh. 15 - Prob. 3IRCh. 15 - Prob. 4IRCh. 15 - Prob. 5IRCh. 15 - Prob. 6IRCh. 15 - Prob. 7IRCh. 15 - Prob. 8IRCh. 15 - Prob. 9IRCh. 15 - Prob. 10IRCh. 15 - Prob. 11IRCh. 15 - Prob. 12IRCh. 15 - Prob. 13IRCh. 15 - Prob. 14IRCh. 15 - Prob. 15IRCh. 15 - Prob. 16IRCh. 15 - Prob. 17IRCh. 15 - Prob. 18IRCh. 15 - Prob. 19IRCh. 15 - Prob. 20IRCh. 15 - Prob. 21IRCh. 15 - Prob. 22IRCh. 15 - Prob. 23IRCh. 15 - Prob. 24IRCh. 15 - Prob. 25IRCh. 15 - Prob. 26IRCh. 15 - Prob. 1VCCh. 15 - Prob. 2VCCh. 15 - Prob. 3VCCh. 15 - Prob. 4VCCh. 15 - Prob. 5VCCh. 15 - Prob. 6VCCh. 15 - Prob. 7VCCh. 15 - Prob. 8VCCh. 15 - Prob. 9VCCh. 15 - Prob. 1RCh. 15 - Prob. 2RCh. 15 - Prob. 3RCh. 15 - Prob. 4RCh. 15 - Prob. 5RCh. 15 - Prob. 6RCh. 15 - Prob. 7RCh. 15 - Prob. 8RCh. 15 - Prob. 9RCh. 15 - Prob. 10RCh. 15 - Prob. 11RCh. 15 - Prob. 12RCh. 15 - Prob. 13RCh. 15 - Prob. 14RCh. 15 - Prob. 15RCh. 15 - Prob. 16RCh. 15 - Prob. 17RCh. 15 - Prob. 18RCh. 15 - Prob. 19RCh. 15 - Prob. 20RCh. 15 - Prob. 21RCh. 15 - Prob. 22RCh. 15 - Prob. 23RCh. 15 - Prob. 24RCh. 15 - Prob. 25RCh. 15 - Prob. 26RCh. 15 - Prob. 27RCh. 15 - Prob. 28RCh. 15 - Prob. 29RCh. 15 - Prob. 30RCh. 15 - Prob. 31RCh. 15 - Prob. 32RCh. 15 - Prob. 33RCh. 15 - Prob. 34RCh. 15 - Prob. 35RCh. 15 - Prob. 36RCh. 15 - Prob. 37RCh. 15 - Prob. 38RCh. 15 - Prob. 39RCh. 15 - Prob. 40RCh. 15 - Prob. 41RCh. 15 - Prob. 42RCh. 15 - Prob. 43RCh. 15 - Prob. 44RCh. 15 - Prob. 45RCh. 15 - Prob. 46RCh. 15 - Prob. 47RCh. 15 - Prob. 48RCh. 15 - Prob. 49RCh. 15 - Prob. 50RCh. 15 - Prob. 51RCh. 15 - Prob. 52RCh. 15 - Prob. 53RCh. 15 - Prob. 54RCh. 15 - Prob. 55RCh. 15 - Prob. 56RCh. 15 - Prob. 57RCh. 15 - Prob. 58RCh. 15 - Prob. 59RCh. 15 - Prob. 60RCh. 15 - Prob. 1GRTCh. 15 - Prob. 2GRTCh. 15 - Prob. 3GRTCh. 15 - Prob. 4GRTCh. 15 - Prob. 5GRTCh. 15 - Prob. 6GRTCh. 15 - Prob. 7GRTCh. 15 - Prob. 8GRTCh. 15 - Prob. 9GRTCh. 15 - Prob. 10GRTCh. 15 - Prob. 11GRTCh. 15 - Prob. 12GRTCh. 15 - Prob. 13GRTCh. 15 - Prob. 14GRTCh. 15 - Prob. 15GRTCh. 15 - Prob. 16GRTCh. 15 - Prob. 17GRTCh. 15 - Prob. 1TCh. 15 - Prob. 2TCh. 15 - Prob. 3TCh. 15 - Prob. 4TCh. 15 - Prob. 5TCh. 15 - Prob. 6TCh. 15 - Prob. 7TCh. 15 - Prob. 8TCh. 15 - Prob. 9TCh. 15 - Prob. 10TCh. 15 - Prob. 11TCh. 15 - Prob. 12TCh. 15 - Prob. 13TCh. 15 - Prob. 14TCh. 15 - Prob. 15TCh. 15 - Prob. 16TCh. 15 - Prob. 17TCh. 15 - Prob. 18TCh. 15 - Prob. 19TCh. 15 - Prob. 20TCh. 15 - Prob. 21TCh. 15 - Prob. 22TCh. 15 - Prob. 23TCh. 15 - Prob. 24TCh. 15 - Prob. 25TCh. 15 - Prob. 1CRCh. 15 - Prob. 2CRCh. 15 - Prob. 3CRCh. 15 - Prob. 4CRCh. 15 - Prob. 5CRCh. 15 - Prob. 6CRCh. 15 - Prob. 7CRCh. 15 - Prob. 8CRCh. 15 - Prob. 9CRCh. 15 - Prob. 10CRCh. 15 - Prob. 11CRCh. 15 - Prob. 12CRCh. 15 - Prob. 13CRCh. 15 - Prob. 14CRCh. 15 - Prob. 15CRCh. 15 - Prob. 16CRCh. 15 - Prob. 17CRCh. 15 - Prob. 18CRCh. 15 - Prob. 19CRCh. 15 - Prob. 20CRCh. 15 - Prob. 21CRCh. 15 - Prob. 22CRCh. 15 - Prob. 23CRCh. 15 - Prob. 24CRCh. 15 - Prob. 25CRCh. 15 - Prob. 26CRCh. 15 - Prob. 27CRCh. 15 - Prob. 28CRCh. 15 - Prob. 29CRCh. 15 - Prob. 30CRCh. 15 - Prob. 31CRCh. 15 - Prob. 32CRCh. 15 - Prob. 33CRCh. 15 - Prob. 34CRCh. 15 - Prob. 35CRCh. 15 - Prob. 36CRCh. 15 - Prob. 37CRCh. 15 - Prob. 38CRCh. 15 - Prob. 39CRCh. 15 - Prob. 40CRCh. 15 - Prob. 41CRCh. 15 - Prob. 42CR
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