Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.1 Introduction to Algebra - 1.1 Exercise Set: 21

Answer

5

Work Step by Step

We are asked to evaluate the given equation for $p=55$ and $q=20$. We can plug in directly to evaluate. $\frac{p-q}{7}=\frac{(55)-(20)}{7}=\frac{35}{7}=\frac{35\div7}{7\div7}=\frac{5}{1}=5$
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