Answer
The percent of decrease is 23.1%.
Work Step by Step
$decrease=26-20=6$
decrease=rate*original
$6=(r)(26)$
$6\div26=26r\div26$
$0.23076=r$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 6 - Percent - 6.6 Solving Application Problems with Percent - 6.6 Exercises - Page 441: 36
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