Algebra 1: Common Core (15th Edition)

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

Chapter 1 - Foundations for Algebra - 1-9 Patterns, Equations, and Graphs - Lesson Check - Page 64: 3


Let x be the number of drinks and y be the cost. Since each drink is the same price, you must multiply $2.50 by the number of drinks to find the cost. Assume that x is the number of drinks and y is the cost. 2.50x=y

Work Step by Step

#drinks−−−−−−− cost−−−− 1 $2.50 2 $5.00 3 $7.50
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