Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 5 - Linear Functions - 5-2 Direct Variation - Practice and Problem-Solving Exercises - Page 305: 39



Work Step by Step

These two quantities do not relay directly because the price of each item is not the same. Since the price is not the same, you would not deduct a constant amount of money as you buy items. In order for a variation to be direct, there needs to be a constant but in our case there is none so this situation cannot be represented by a direct variation.
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