Answer
$\frac{680}{b}$=$\frac{65}{100}$
Work Step by Step
680 is 65 % of what number ?
65 is percent
what number is base
680 is amount
$\frac{680}{b}$=$\frac{65}{100}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 7 - Section 7.3 - Solving Percent Problems with Proportions - Practice - Page 487: 4
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