Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 6 - Percent - Test: 18

Answer

$\displaystyle \frac{increase~in~salary~(part)}{last~year's~salary~(whole)}=\frac{percent~increase~(unknown)}{100}$

Work Step by Step

To figure out the salary percent increase, we would set up the fraction like so: $\displaystyle \frac{increase~in~salary}{last~year's~salary}=\frac{percent~increase}{100}$ increase in salary: the "part" (difference between this year's salary and last year's salary). last year's salary: the "whole" that we divide by. percent increase: right side numerator (our unknown). We would then cross-multiply and solve the for unknown (percent increase).
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