Answer
$10.67$ ounces
Work Step by Step
Let $y$ be the amount of water that is evaporated. There is $0.04\cdot32=1.28$ ounces of salt. Then our equation is: $\frac{1.28}{32-y}=0.06\\1.28=0.06(32-y)\\1.28=1.92-0.06y\\0.06y=0.64\\y=10.67$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 1 - Section 1.7 - Problem Solving: Interest, Mixture, Uniform Motion, Constant Rate Job Applications - 1.7 Asses Your Understanding - Page 142: 43
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