Answer
$p=\dfrac{T-D}{m}$
Work Step by Step
Subtract $D$ on both sides:
$T-D=D+pm-D
\\T-D=pm$
Divide by $m$ on both sides:
$\dfrac{T-D}{m}=\dfrac{pm}{m}
\\\dfrac{T-D}{m}=p
\\p=\dfrac{T-D}{m}$
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: 55
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