Answer
$250$ mg
Work Step by Step
Given D=1000, A=4,
substitute and evaluate:
$\displaystyle \frac{1000(4)}{4+12}=\frac{1000(4)}{16}=$.... reduce by 4
$=\displaystyle \frac{1000}{4}$
= $250$ mg
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 7 - Section 7.1 - Rational Expressions and Their Simplification - Exercise Set - Page 493: 88
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