Prealgebra (7th Edition)

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

Chapter 7 - Cumulative Review - Page 530: 46


35 problems in 30 minutes

Work Step by Step

7 problems in 6 minutes How many problems in minute ? $\frac{7}{6}$ problems How many problems in 30 minutes? $\frac{7}{6}$ $\times$30= =$\frac{7\times30}{6}$=$\frac{7\times5\times6}{6}$=35 problems in 30 minutes
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