Answer
The expression is $ 80x $.
Work Step by Step
Selling price of the running shoes is $ = \$ 80 $ per pair.
Number of pairs of shoes $ =x $
Revenue $=$ Selling price multiply by number of pairs.
Revenue $ =80 \times x $
Revenue $ =80x $
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 3 - Section 3.1 - Systems of Linear Equations in Two Variables - Exercise Set - Page 194: 125
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