Basic College Mathematics (9th Edition)

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

Chapter 6 - Percent - Test: 17

Answer

The percent of decrease 25%.

Work Step by Step

The change in attendance is $5760-4320=1440$. $\frac{part}{whole}=\frac{percent}{100}$ $\frac{1440}{5760}=\frac{p}{100}$ Cross multiply to solve for p. $5760p=(1440)(100)$ $5760p\div5760=144,000\div5760$ $p=25$
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