6th Edition

ISBN: 9781285074672

Author: Larson

Publisher: CENGAGE L

Concept explainers

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

Chapter 7.6, Problem 25E

To determine

To find: The total coast of the skates.

Expert Solution & Answer

Answer to Problem 25E

The total coast of the in-line skates $113.94 .

Explanation of Solution

Given information: A sports store is having a sale on in-line skates. You want to buy a pair of in-line skates that originally coasts $135 . The sales tax is 5.5% , and it will be applied to the sale price of the skates. 20% off on every pair of in-line skates.

Calculation: Here, The original coast of the in-line skates is $135 and the sales tax is 5.5% .

Step1. The discount should be applied on the original coast.

Let’s find the sale price,

Sale price = Original price − Discount amount ......(1)

Where the discount amount is,

=$135×20%=$135×20100=$135×0.20=$27

Now find the sale price from the equation (1) ,

=$135−$27=$108

Step2. The sales tax should be applied on the sale price.

The total coast of the in-line skates = Sale price + Sales tax ......(2)

Where the sales tax = Sale price × Sales tax rate

=$108×5.5%=$108×5.5100=$108×0.055=$5.94

Let’s find the total coast from the equation (1) ,

=$108+$5.94=$113.94

Hence, The total coast of the in-line skates $113.94 .

Chapter 7.6, Problem 24E

Chapter 7.6, Problem 26E

Chapter 7 Solutions

ELEMENTARY+INTERMEDIATE ALGEBRA

Ch. 7.1 - Prob. 1C Ch. 7.1 - Prob. 2C Ch. 7.1 - Prob. 3C Ch. 7.1 - Prob. 4C Ch. 7.1 - Prob. 5C Ch. 7.1 - Prob. 6C Ch. 7.1 - Prob. 7C Ch. 7.1 - Prob. 8C Ch. 7.1 - Prob. 9C Ch. 7.1 - Prob. 1E

Ch. 7.1 - Prob. 2E Ch. 7.1 - Prob. 3E Ch. 7.1 - Prob. 4E Ch. 7.1 - Prob. 5E Ch. 7.1 - Prob. 6E Ch. 7.1 - Prob. 7E Ch. 7.1 - Prob. 8E Ch. 7.1 - Prob. 9E Ch. 7.1 - Prob. 10E Ch. 7.1 - Prob. 11E Ch. 7.1 - Prob. 12E Ch. 7.1 - Prob. 13E Ch. 7.1 - Prob. 14E Ch. 7.1 - Prob. 15E Ch. 7.1 - Prob. 16E Ch. 7.1 - Prob. 17E Ch. 7.1 - Prob. 18E Ch. 7.1 - Prob. 19E Ch. 7.1 - Prob. 20E Ch. 7.1 - Prob. 21E Ch. 7.1 - Prob. 22E Ch. 7.1 - Prob. 23E Ch. 7.1 - Prob. 24E Ch. 7.1 - Prob. 25E Ch. 7.1 - Prob. 26E Ch. 7.1 - Prob. 27E Ch. 7.1 - Prob. 28E Ch. 7.1 - Prob. 29E Ch. 7.1 - Prob. 30E Ch. 7.1 - Prob. 31E Ch. 7.1 - Prob. 32E Ch. 7.1 - Prob. 33E Ch. 7.1 - Prob. 34E Ch. 7.1 - Prob. 35E Ch. 7.1 - Prob. 36E Ch. 7.1 - Prob. 37E Ch. 7.1 - Prob. 38E Ch. 7.1 - Prob. 39E Ch. 7.1 - Prob. 40E Ch. 7.1 - Prob. 41E Ch. 7.1 - Prob. 42E Ch. 7.1 - Prob. 43E Ch. 7.1 - Prob. 44E Ch. 7.1 - Prob. 45E Ch. 7.1 - Prob. 46E Ch. 7.1 - Prob. 47E Ch. 7.1 - Prob. 48E Ch. 7.1 - Prob. 49E Ch. 7.1 - Prob. 50E Ch. 7.1 - Prob. 51E Ch. 7.1 - 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Prob. 1C Ch. 7.5 - Prob. 2C Ch. 7.5 - Prob. 3C Ch. 7.5 - Prob. 4C Ch. 7.5 - Prob. 5C Ch. 7.5 - Prob. 6C Ch. 7.5 - Prob. 7C Ch. 7.5 - Prob. 8C Ch. 7.5 - Prob. 1E Ch. 7.5 - Prob. 2E Ch. 7.5 - Prob. 3E Ch. 7.5 - Prob. 4E Ch. 7.5 - Prob. 5E Ch. 7.5 - Prob. 6E Ch. 7.5 - Prob. 7E Ch. 7.5 - Prob. 8E Ch. 7.5 - Prob. 9E Ch. 7.5 - Prob. 10E Ch. 7.5 - Prob. 11E Ch. 7.5 - Prob. 12E Ch. 7.5 - Prob. 13E Ch. 7.5 - Prob. 14E Ch. 7.5 - Prob. 15E Ch. 7.5 - Prob. 16E Ch. 7.5 - Prob. 17E Ch. 7.5 - Prob. 18E Ch. 7.5 - Prob. 19E Ch. 7.5 - Prob. 20E Ch. 7.5 - Prob. 21E Ch. 7.5 - Prob. 22E Ch. 7.5 - Prob. 23E Ch. 7.5 - Prob. 24E Ch. 7.5 - Prob. 25E Ch. 7.5 - Prob. 26E Ch. 7.5 - Prob. 27E Ch. 7.5 - Prob. 28E Ch. 7.5 - Prob. 29E Ch. 7.5 - Prob. 30E Ch. 7.5 - Prob. 31E Ch. 7.5 - Prob. 32E Ch. 7.5 - Prob. 33E Ch. 7.5 - Prob. 34E Ch. 7.5 - Prob. 35E Ch. 7.5 - Prob. 36E Ch. 7.5 - Prob. 37E Ch. 7.5 - Prob. 38E Ch. 7.5 - Prob. 39E Ch. 7.5 - Prob. 40E Ch. 7.5 - Prob. 41E Ch. 7.6 - Prob. 1C Ch. 7.6 - Prob. 2C Ch. 7.6 - 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Prob. 6E Ch. 7.7 - Prob. 7E Ch. 7.7 - Prob. 8E Ch. 7.7 - Prob. 9E Ch. 7.7 - Prob. 10E Ch. 7.7 - Prob. 11E Ch. 7.7 - Prob. 12E Ch. 7.7 - Prob. 13E Ch. 7.7 - Prob. 14E Ch. 7.7 - Prob. 15E Ch. 7.7 - Prob. 16E Ch. 7.7 - Prob. 17E Ch. 7.7 - Prob. 18E Ch. 7.7 - Prob. 19E Ch. 7.7 - Prob. 20E Ch. 7.7 - Prob. 21E Ch. 7.7 - Prob. 22E Ch. 7.7 - Prob. 23E Ch. 7.7 - Prob. 24E Ch. 7.7 - Prob. 25E Ch. 7.7 - Prob. 26E Ch. 7.7 - Prob. 27E Ch. 7.7 - Prob. 28E Ch. 7.7 - Prob. 29E Ch. 7.7 - Prob. 30E Ch. 7.7 - Prob. 31E Ch. 7.7 - Prob. 32E Ch. 7.7 - Prob. 33E Ch. 7.7 - Prob. 34E Ch. 7.7 - Prob. 35E Ch. 7.7 - Prob. 36E Ch. 7.7 - Prob. 37E Ch. 7 - Prob. 1PSQ Ch. 7 - Prob. 2PSQ Ch. 7 - Prob. 3PSQ Ch. 7 - Prob. 4PSQ Ch. 7 - Prob. 5PSQ Ch. 7 - Prob. 6PSQ Ch. 7 - Prob. 7PSQ Ch. 7 - Prob. 8PSQ Ch. 7 - Prob. 9PSQ Ch. 7 - Prob. 1MCQ Ch. 7 - Prob. 2MCQ Ch. 7 - Prob. 3MCQ Ch. 7 - Prob. 4MCQ Ch. 7 - Prob. 5MCQ Ch. 7 - Prob. 6MCQ Ch. 7 - Prob. 7MCQ Ch. 7 - Prob. 8MCQ Ch. 7 - Prob. 9MCQ Ch. 7 - Prob. 10MCQ Ch. 7 - Prob. 11MCQ Ch. 7 - Prob. 12MCQ Ch. 7 - Prob. 13MCQ Ch. 7 - Prob. 14MCQ Ch. 7 - Prob. 15MCQ Ch. 7 - Prob. 16MCQ Ch. 7 - Prob. 17MCQ Ch. 7 - Prob. 18MCQ Ch. 7 - Prob. 19MCQ Ch. 7 - Prob. 20MCQ Ch. 7 - Prob. 21MCQ Ch. 7 - Prob. 22MCQ Ch. 7 - Prob. 1CR Ch. 7 - Prob. 2CR Ch. 7 - Prob. 3CR Ch. 7 - Prob. 4CR Ch. 7 - Prob. 5CR Ch. 7 - Prob. 6CR Ch. 7 - Prob. 7CR Ch. 7 - Prob. 8CR Ch. 7 - Prob. 9CR Ch. 7 - Prob. 10CR Ch. 7 - Prob. 11CR Ch. 7 - Prob. 12CR Ch. 7 - Prob. 13CR Ch. 7 - Prob. 14CR Ch. 7 - Prob. 15CR Ch. 7 - Prob. 16CR Ch. 7 - Prob. 17CR Ch. 7 - Prob. 18CR Ch. 7 - Prob. 19CR Ch. 7 - Prob. 20CR Ch. 7 - Prob. 21CR Ch. 7 - Prob. 22CR Ch. 7 - Prob. 23CR Ch. 7 - Prob. 24CR Ch. 7 - Prob. 25CR Ch. 7 - Prob. 26CR Ch. 7 - Prob. 27CR Ch. 7 - Prob. 28CR Ch. 7 - Prob. 29CR Ch. 7 - Prob. 30CR Ch. 7 - Prob. 31CR Ch. 7 - Prob. 32CR Ch. 7 - Prob. 33CR Ch. 7 - Prob. 34CR Ch. 7 - Prob. 35CR Ch. 7 - Prob. 36CR Ch. 7 - Prob. 37CR Ch. 7 - Prob. 38CR Ch. 7 - Prob. 39CR Ch. 7 - Prob. 40CR Ch. 7 - Prob. 41CR Ch. 7 - Prob. 42CR Ch. 7 - Prob. 43CR Ch. 7 - Prob. 44CR Ch. 7 - Prob. 45CR Ch. 7 - Prob. 46CR Ch. 7 - Prob. 47CR Ch. 7 - Prob. 48CR Ch. 7 - Prob. 49CR Ch. 7 - Prob. 1CT Ch. 7 - Prob. 2CT Ch. 7 - Prob. 3CT Ch. 7 - Prob. 4CT Ch. 7 - Prob. 5CT Ch. 7 - Prob. 6CT Ch. 7 - Prob. 7CT Ch. 7 - Prob. 8CT Ch. 7 - Prob. 9CT Ch. 7 - Prob. 10CT Ch. 7 - Prob. 11CT Ch. 7 - Prob. 12CT Ch. 7 - Prob. 13CT Ch. 7 - Prob. 14CT Ch. 7 - Prob. 15CT Ch. 7 - Prob. 16CT Ch. 7 - Prob. 17CT Ch. 7 - Prob. 18CT Ch. 7 - Prob. 19CT Ch. 7 - Prob. 20CT Ch. 7 - Prob. 21CT Ch. 7 - Prob. 22CT Ch. 7 - Prob. 23CT Ch. 7 - Prob. 24CT Ch. 7 - Prob. 25CT Ch. 7 - Prob. 26CT Ch. 7 - Prob. 27CT Ch. 7 - Prob. 28CT Ch. 7 - Prob. 29CT Ch. 7 - Prob. 30CT Ch. 7 - Prob. 1CST Ch. 7 - Prob. 2CST Ch. 7 - Prob. 3CST Ch. 7 - Prob. 4CST Ch. 7 - Prob. 5CST Ch. 7 - Prob. 6CST Ch. 7 - Prob. 7CST Ch. 7 - Prob. 8CST Ch. 7 - Prob. 9CST Ch. 7 - Prob. 10CST Ch. 7 - Prob. 11CST Ch. 7 - Prob. 12CST Ch. 7 - Prob. 13CST Ch. 7 - Prob. 1PTTS Ch. 7 - Prob. 2PTTS Ch. 7 - Prob. 3PTTS Ch. 7 - 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Prob. 34CP

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