Answer
See below
Work Step by Step
a) Substitute the markup of the shoes into the equation: $R=C+0.4C$
b) Find C: $R=1.4C\\C=\frac{1}{1.4}R$
c) Substitute: $C=\frac{1}{1.4}60=42.86$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 6 Rational Exponents and Radical Functions - Mixed Review of Problem Solving - Lessons 6.4-6.6 - Page 464: 1
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