Answer
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 $\frac{20 - x}{3}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
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
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