Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00 Edition
ISBN: 9780395977224
Author: Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher: McDougal Littell
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Concept explainers

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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Question
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Chapter 9.5, Problem 30P
To determine

To find: The amount.

Expert Solution & Answer
Check Mark

Answer to Problem 30P

Roger has $ 80, Sue has $ 30 and Tim has $ 45.

Explanation of Solution

Given information:

Total Amount is $ 155.

Roger has $ 5 more than Sue and Tim together.

If Sue give Tim $ 5, he will have twice as much as she does.

Calculation:

Let,Roger has $ x

Sue has $ y

Tim has $ z

  x+y+z=155 … (1)

  x=y+z+5 … (2)

  z+5=2(y−5) … (3)

From equation (2)

  x=y+z+5x−y−z=5 … (4)

From equation (3)

  z+5=2(y−5)2y−z=15 … (5)

Add equation (1) and equation (4)

  2x=160x=80

Substitute the value of x in equation (1)

  80+y+z=155y+z=75 … (6)

Add equation (5) and equation (6)

  3y=90y=30

Substitute the value of y in equation (6)

  30+z=75z=45

Therefore, Roger has $ 80, Sue has $ 30 and Tim has $ 45.

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Chapter 9.5, Problem 29P
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Chapter 9.5, Problem 31P

Chapter 9 Solutions

Algebra: Structure And Method, Book 1

Ch. 9.1 - Prob. 1OECh. 9.1 - Prob. 2OECh. 9.1 - Prob. 3OECh. 9.1 - Prob. 4OECh. 9.1 - Prob. 5OECh. 9.1 - Prob. 6OECh. 9.1 - Prob. 7OECh. 9.1 - Prob. 8OECh. 9.1 - Prob. 9OECh. 9.1 - Prob. 1WE
Ch. 9.1 - Prob. 2WECh. 9.1 - Prob. 3WECh. 9.1 - Prob. 4WECh. 9.1 - Prob. 5WECh. 9.1 - Prob. 6WECh. 9.1 - Prob. 7WECh. 9.1 - Prob. 8WECh. 9.1 - Prob. 9WECh. 9.1 - Prob. 10WECh. 9.1 - Prob. 11WECh. 9.1 - Prob. 12WECh. 9.1 - Prob. 13WECh. 9.1 - Prob. 14WECh. 9.1 - Prob. 15WECh. 9.1 - Prob. 16WECh. 9.1 - Prob. 17WECh. 9.1 - Prob. 18WECh. 9.1 - Prob. 19WECh. 9.1 - Prob. 20WECh. 9.1 - Prob. 21WECh. 9.1 - Prob. 22WECh. 9.1 - Prob. 23WECh. 9.1 - Prob. 24WECh. 9.1 - Prob. 1MRECh. 9.1 - Prob. 2MRECh. 9.1 - Prob. 3MRECh. 9.1 - Prob. 4MRECh. 9.1 - Prob. 5MRECh. 9.1 - Prob. 6MRECh. 9.1 - Prob. 1CECh. 9.1 - Prob. 2CECh. 9.1 - Prob. 3CECh. 9.1 - Prob. 4CECh. 9.2 - Prob. 1OECh. 9.2 - Prob. 2OECh. 9.2 - Prob. 3OECh. 9.2 - Prob. 4OECh. 9.2 - Prob. 5OECh. 9.2 - Prob. 6OECh. 9.2 - Prob. 7OECh. 9.2 - Prob. 8OECh. 9.2 - Prob. 9OECh. 9.2 - Prob. 10OECh. 9.2 - Prob. 11OECh. 9.2 - Prob. 12OECh. 9.2 - Prob. 1WECh. 9.2 - Prob. 2WECh. 9.2 - Prob. 3WECh. 9.2 - Prob. 4WECh. 9.2 - Prob. 5WECh. 9.2 - Prob. 6WECh. 9.2 - Prob. 7WECh. 9.2 - Prob. 8WECh. 9.2 - Prob. 9WECh. 9.2 - Prob. 10WECh. 9.2 - Prob. 11WECh. 9.2 - Prob. 12WECh. 9.2 - Prob. 13WECh. 9.2 - Prob. 14WECh. 9.2 - Prob. 15WECh. 9.2 - Prob. 16WECh. 9.2 - Prob. 17WECh. 9.2 - Prob. 18WECh. 9.2 - Prob. 19WECh. 9.2 - Prob. 20WECh. 9.2 - Prob. 21WECh. 9.2 - Prob. 22WECh. 9.2 - Prob. 23WECh. 9.2 - Prob. 24WECh. 9.2 - Prob. 25WECh. 9.2 - Prob. 26WECh. 9.2 - Prob. 27WECh. 9.2 - Prob. 28WECh. 9.2 - Prob. 29WECh. 9.2 - Prob. 30WECh. 9.2 - Prob. 31WECh. 9.2 - Prob. 32WECh. 9.2 - Prob. 33WECh. 9.2 - Prob. 34WECh. 9.2 - Prob. 35WECh. 9.2 - Prob. 36WECh. 9.2 - Prob. 37WECh. 9.2 - Prob. 38WECh. 9.2 - Prob. 39WECh. 9.2 - Prob. 40WECh. 9.2 - Prob. 41WECh. 9.2 - Prob. 1MRECh. 9.2 - Prob. 2MRECh. 9.2 - Prob. 3MRECh. 9.2 - Prob. 4MRECh. 9.2 - Prob. 5MRECh. 9.2 - Prob. 6MRECh. 9.2 - Prob. 7MRECh. 9.2 - Prob. 8MRECh. 9.2 - Prob. 9MRECh. 9.2 - Prob. 10MRECh. 9.2 - Prob. 11MRECh. 9.2 - Prob. 12MRECh. 9.3 - Prob. 1OECh. 9.3 - Prob. 2OECh. 9.3 - Prob. 3OECh. 9.3 - Prob. 4OECh. 9.3 - Prob. 5OECh. 9.3 - Prob. 6OECh. 9.3 - Prob. 7OECh. 9.3 - Prob. 8OECh. 9.3 - Prob. 9OECh. 9.3 - Prob. 10OECh. 9.3 - Prob. 11OECh. 9.3 - Prob. 12OECh. 9.3 - Prob. 1PCh. 9.3 - Prob. 2PCh. 9.3 - Prob. 3PCh. 9.3 - Prob. 4PCh. 9.3 - Prob. 5PCh. 9.3 - Prob. 6PCh. 9.3 - Prob. 7PCh. 9.3 - Prob. 8PCh. 9.3 - Prob. 9PCh. 9.3 - Prob. 10PCh. 9.3 - Prob. 11PCh. 9.3 - Prob. 12PCh. 9.3 - Prob. 13PCh. 9.3 - Prob. 14PCh. 9.3 - Prob. 15PCh. 9.3 - Prob. 16PCh. 9.3 - Prob. 17PCh. 9.3 - Prob. 18PCh. 9.3 - Prob. 19PCh. 9.3 - Prob. 20PCh. 9.3 - Prob. 21PCh. 9.3 - Prob. 22PCh. 9.3 - Prob. 1MRECh. 9.3 - Prob. 2MRECh. 9.3 - Prob. 3MRECh. 9.3 - Prob. 4MRECh. 9.3 - Prob. 5MRECh. 9.3 - Prob. 6MRECh. 9.3 - Prob. 7MRECh. 9.3 - Prob. 8MRECh. 9.3 - Prob. 9MRECh. 9.3 - Prob. 10MRECh. 9.3 - Prob. 11MRECh. 9.3 - Prob. 12MRECh. 9.4 - Prob. 1OECh. 9.4 - Prob. 2OECh. 9.4 - Prob. 3OECh. 9.4 - Prob. 4OECh. 9.4 - Prob. 5OECh. 9.4 - Prob. 6OECh. 9.4 - Prob. 7OECh. 9.4 - Prob. 8OECh. 9.4 - Prob. 9OECh. 9.4 - Prob. 1WECh. 9.4 - Prob. 2WECh. 9.4 - 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Prob. 44WECh. 9.5 - Prob. 45WECh. 9.5 - Prob. 46WECh. 9.5 - Prob. 1MPCh. 9.5 - Prob. 2MPCh. 9.5 - Prob. 3MPCh. 9.5 - Prob. 4MPCh. 9.5 - Prob. 5MPCh. 9.5 - Prob. 6MPCh. 9.5 - Prob. 7MPCh. 9.5 - Prob. 8MPCh. 9.5 - Prob. 9MPCh. 9.5 - Prob. 10MPCh. 9.5 - Prob. 11MPCh. 9.5 - Prob. 12MPCh. 9.5 - Prob. 13MPCh. 9.5 - Prob. 14MPCh. 9.5 - Prob. 15MPCh. 9.5 - Prob. 16MPCh. 9.5 - Prob. 17MPCh. 9.5 - Prob. 18MPCh. 9.5 - Prob. 19MPCh. 9.5 - Prob. 20MPCh. 9.5 - Prob. 21MPCh. 9.5 - Prob. 22MPCh. 9.5 - Prob. 23MPCh. 9.5 - Prob. 24MPCh. 9.5 - Prob. 25MPCh. 9.5 - Prob. 26MPCh. 9.5 - Prob. 27MPCh. 9.5 - Prob. 1PCh. 9.5 - Prob. 2PCh. 9.5 - Prob. 3PCh. 9.5 - Prob. 4PCh. 9.5 - Prob. 5PCh. 9.5 - Prob. 6PCh. 9.5 - Prob. 7PCh. 9.5 - Prob. 8PCh. 9.5 - Prob. 9PCh. 9.5 - Prob. 10PCh. 9.5 - Prob. 11PCh. 9.5 - Prob. 12PCh. 9.5 - Prob. 13PCh. 9.5 - Prob. 14PCh. 9.5 - Prob. 15PCh. 9.5 - Prob. 16PCh. 9.5 - Prob. 17PCh. 9.5 - Prob. 18PCh. 9.5 - Prob. 19PCh. 9.5 - Prob. 20PCh. 9.5 - Prob. 21PCh. 9.5 - Prob. 22PCh. 9.5 - Prob. 23PCh. 9.5 - Prob. 24PCh. 9.5 - Prob. 25PCh. 9.5 - Prob. 26PCh. 9.5 - Prob. 27PCh. 9.5 - Prob. 28PCh. 9.5 - Prob. 29PCh. 9.5 - Prob. 30PCh. 9.5 - Prob. 31PCh. 9.5 - Prob. 32PCh. 9.5 - Prob. 1MRECh. 9.5 - Prob. 2MRECh. 9.5 - Prob. 3MRECh. 9.5 - Prob. 4MRECh. 9.5 - Prob. 5MRECh. 9.5 - Prob. 6MRECh. 9.5 - Prob. 7MRECh. 9.5 - Prob. 8MRECh. 9.5 - Prob. 9MRECh. 9.5 - Prob. 10MRECh. 9.5 - Prob. 1CECh. 9.5 - Prob. 2CECh. 9.5 - Prob. 3CECh. 9.5 - Prob. 1STCh. 9.5 - Prob. 2STCh. 9.5 - Prob. 3STCh. 9.5 - Prob. 4STCh. 9.5 - Prob. 5STCh. 9.5 - Prob. 6STCh. 9.5 - Prob. 7STCh. 9.5 - Prob. 8STCh. 9.5 - Prob. 9STCh. 9.6 - Prob. 1OECh. 9.6 - Prob. 2OECh. 9.6 - Prob. 3OECh. 9.6 - Prob. 4OECh. 9.6 - Prob. 5OECh. 9.6 - Prob. 6OECh. 9.6 - Prob. 7OECh. 9.6 - Prob. 8OECh. 9.6 - Prob. 9OECh. 9.6 - Prob. 10OECh. 9.6 - Prob. 11OECh. 9.6 - Prob. 12OECh. 9.6 - Prob. 13OECh. 9.6 - Prob. 14OECh. 9.6 - Prob. 15OECh. 9.6 - Prob. 16OECh. 9.6 - Prob. 1PCh. 9.6 - Prob. 2PCh. 9.6 - Prob. 3PCh. 9.6 - Prob. 4PCh. 9.6 - Prob. 5PCh. 9.6 - Prob. 6PCh. 9.6 - Prob. 7PCh. 9.6 - Prob. 8PCh. 9.6 - Prob. 9PCh. 9.6 - Prob. 10PCh. 9.6 - Prob. 11PCh. 9.6 - Prob. 12PCh. 9.6 - Prob. 13PCh. 9.6 - Prob. 14PCh. 9.6 - Prob. 15PCh. 9.6 - Prob. 16PCh. 9.6 - Prob. 17PCh. 9.6 - Prob. 18PCh. 9.6 - Prob. 19PCh. 9.6 - Prob. 20PCh. 9.6 - Prob. 21PCh. 9.6 - Prob. 22PCh. 9.6 - Prob. 23PCh. 9.6 - Prob. 1MRECh. 9.6 - Prob. 2MRECh. 9.6 - Prob. 3MRECh. 9.6 - Prob. 4MRECh. 9.6 - Prob. 5MRECh. 9.6 - Prob. 6MRECh. 9.6 - Prob. 7MRECh. 9.6 - Prob. 8MRECh. 9.6 - Prob. 9MRECh. 9.7 - Prob. 1OECh. 9.7 - Prob. 2OECh. 9.7 - Prob. 3OECh. 9.7 - Prob. 4OECh. 9.7 - Prob. 5OECh. 9.7 - Prob. 6OECh. 9.7 - Prob. 7OECh. 9.7 - Prob. 8OECh. 9.7 - Prob. 9OECh. 9.7 - Prob. 10OECh. 9.7 - Prob. 11OECh. 9.7 - Prob. 12OECh. 9.7 - Prob. 13OECh. 9.7 - Prob. 14OECh. 9.7 - Prob. 15OECh. 9.7 - Prob. 16OECh. 9.7 - Prob. 17OECh. 9.7 - Prob. 18OECh. 9.7 - Prob. 19OECh. 9.7 - Prob. 20OECh. 9.7 - Prob. 21OECh. 9.7 - Prob. 22OECh. 9.7 - Prob. 1PCh. 9.7 - Prob. 2PCh. 9.7 - Prob. 3PCh. 9.7 - Prob. 4PCh. 9.7 - Prob. 5PCh. 9.7 - Prob. 6PCh. 9.7 - Prob. 7PCh. 9.7 - Prob. 8PCh. 9.7 - Prob. 9PCh. 9.7 - Prob. 10PCh. 9.7 - Prob. 11PCh. 9.7 - Prob. 12PCh. 9.7 - Prob. 13PCh. 9.7 - Prob. 14PCh. 9.7 - Prob. 15PCh. 9.7 - Prob. 16PCh. 9.7 - Prob. 17PCh. 9.7 - Prob. 18PCh. 9.7 - Prob. 19PCh. 9.7 - Prob. 20PCh. 9.7 - Prob. 21PCh. 9.7 - Prob. 22PCh. 9.7 - Prob. 23PCh. 9.7 - Prob. 24PCh. 9.7 - Prob. 25PCh. 9.7 - Prob. 26PCh. 9.7 - Prob. 27PCh. 9.7 - Prob. 28PCh. 9.7 - Prob. 29PCh. 9.7 - Prob. 30PCh. 9.7 - Prob. 31PCh. 9.7 - Prob. 32PCh. 9.7 - Prob. 33PCh. 9.7 - Prob. 34PCh. 9.7 - Prob. 1MRECh. 9.7 - Prob. 2MRECh. 9.7 - Prob. 3MRECh. 9.7 - Prob. 4MRECh. 9.7 - Prob. 5MRECh. 9.7 - Prob. 6MRECh. 9.7 - Prob. 7MRECh. 9.7 - Prob. 8MRECh. 9.7 - Prob. 9MRECh. 9.7 - Prob. 10MRECh. 9.7 - Prob. 11MRECh. 9.7 - Prob. 12MRECh. 9.7 - Prob. 1STCh. 9.7 - Prob. 2STCh. 9.7 - Prob. 3STCh. 9.7 - Prob. 4STCh. 9 - Prob. 1CRCh. 9 - Prob. 2CRCh. 9 - Prob. 3CRCh. 9 - Prob. 4CRCh. 9 - Prob. 5CRCh. 9 - 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