Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 5 - Ratio and Proportion - 5.1 Ratios - 5.1 Exercises: 48

Answer

$\frac{4}{11}$

Work Step by Step

As per the information Original price $ 8.80 New price $ 5.60 Price decrease = Old price - New price = $ 8.80 - $ 5.60 = $ 3.20 Now ratio of the decrease in price to the original price $ 3.20 to $ 8.80 ($ 3.20)/($ 8.80) = (3.20)/(8.80)= (3.20 × 100)/(8.80 × 100)= $\frac{320}{880}$= $\frac{320 ÷ 80}{880 ÷ 80}$= $\frac{4}{11}$
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