Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Test - Page 147: 54

Answer

strikingly attractive men $2(\%)$, average-looking men $59(\%)$, and good-looking men $27(\%)$.

Work Step by Step

Step 1. Assume the percentage of strikingly attractive men is $x$; then the percentage of average-looking men is $x+57$, and the percentage of good-looking men is $x+25$. Step 2. As the sum of the above percentages is $88$, we have $x+x+57+x+25=88$ or $3x=6$; thus $x=2(\%)$ Step 3. The results are: strikingly attractive men $2(\%)$, average-looking men $59(\%)$, and good-looking men $27(\%)$.
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