Answer
40
Work Step by Step
Change the percent to decimal by moving the decimal point two spaces the left.
30%=0.30
A=PB
12=0.3(B)
$\frac{12}{0.3}$=B
40=B
B=40
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 2 - Mid-Chapter Check Point - Page 155: 8
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