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: 47

Answer

$\frac{1}{4}$

Work Step by Step

As per the information Original price $ 10 New price $ 12.50 Price increase = New price – Old price = $ 12.50 - $ 10 = $ 2.50 Now ratio of the increase in price to the original price $ 2.50 to $ 10 ($ 250)/($ 10) = (250)/10= (250 × 100)/(10 × 100)= 250/1000= (250 ÷ 250)/(1000 ÷ 250)= $\frac{1}{4}$
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