Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.4 - An Introduction to Problem Solving - Vocabulary and Readiness Check - Page 131: 5


20 - x; $\frac{20 - x}{3}$

Work Step by Step

"The difference of 20 and the number" means to subtract, so the first expression is 20 - x. "divided by 3" means to divide by 3, so the second expression is $\frac{20 - x}{3}$
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