Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - Review Exercises - Page 153: 42



Work Step by Step

Let $p$ be the original price. $Discount=20$% of $p=0.2p$ $Sale~price=original~price-discount$ $340=p-0.2p$ $340=0.8p$ $p=\frac{340}{0.8}=425$
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