Answer
$b=\dfrac{2A}{h}$
Work Step by Step
Multiply $2$ to both sides:
$2 \cdot A = 2 \cdot \dfrac{1}{2}bh
\\2A = bh$
Divide by $h$ on both sides:
$\dfrac{2A}{h}=b
\\b=\dfrac{2A}{h}$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 1 - Section 1.5 - Problem Solving and Using Formulas - Exercise Set - Page 68: 51
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