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OpenStudy (anonymous):
The yearly changes in the population of a town for 4 consecutive years were, respectively, 25% increase, 25% increase, 25% decrease, 25% decrease. What is the net percent decrease over the 4 years, to the nearest percent. Solve using a proportion. THANKS!
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OpenStudy (anonymous):
12%
OpenStudy (anonymous):
how did you solve it?
OpenStudy (anonymous):
1.25 x 1.25 x 0.75 x 0.75 = 0.88 The new population would be 88% of the original. Therefore, it would be a 12% net decrease.
OpenStudy (anonymous):
what would be the proportion?
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