15th Edition

ISBN: 9781938168994

Author: OpenStax

Publisher: OpenStax

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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Textbook Question

Chapter 6.3, Problem 199E

Solve Mark-up Applications In the following exercises, find (a) the amount of mark-up and (b) the list price.

Cash Back Jason can buy a bag of dog food for $35 at two different stores. One store offers 6% cash back on the purchase plus $5 off his next purchase.

The other store offers 20% cash back.

(a) Calculate the total savings from the first store, including the savings on the next purchase.

(b) Calculate the total savings from the second store.

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Chapter 6.3, Problem 198E

Chapter 6.3, Problem 200E

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