Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Section 1.14 - Rate, Base, and Part - Exercises - Page 85: 44


$\$29.24$ per hour

Work Step by Step

RECALL: $P=BR$ where $P$=part or amount (percentage), $B$=base, and $R$=rate The given problem has: $B= \$22.15$ per hour $R= 32\%$ Use the formula above to find the increase in hourly rate ($P$) to obtain: $=\$22.15 \times 32\% \\=\$22.15 \times 0.32 \\=\$7.088 \\\approx 7.09$ Find the new hourly rate by adding the increase in rate to the original rate to obtain: $=\$22.15 + \$7.09 \\=\$29.24$
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