Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Section 4.2 - Factors and Simplest Form - Exercise Set: 84

Answer

$\frac{11}{25}$

Work Step by Step

The table shows 37 with the O+ blood type and 7 with the O- blood type, so 44 ($37+7$) have type O. The whole set of blood donors contained 100. $\frac{44}{100}=\frac{44\div4}{100\div4}=\frac{11}{25}$
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