Answer
$50$ dollars.
Work Step by Step
Step 1. Assume the original price is $x$ dollars; the discount is then $0.6x$.
Step 2. The sale price is given by $x-0.6x=20$ or $0.4x=20$; thus $x=50$ dollars.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Test - Page 147: 59
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