Answer
8 mph
Work Step by Step
$48/(16+x) = 16/(16-x)$
with wind into wind
$48/(16+x) = 16/(16-x)$
$16*(16+x)=48*(16-x)$
$256 + 16x = 768 -48x$
$64x = 512$
$64x/64 = 522/64$
$x=8$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 7 - Section 7.6 - Proportions and Problem Solving with Rational Equations - Exercise Set - Page 540: 47
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