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OpenStudy (tyler444):
Find the percent of increase. Original number: 45 books New number: 63 books
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OpenStudy (mikey):
@AloneS
OpenStudy (yanasidlinskiy):
45 divided by 63 is 71 percent, so it's a 29% increase.
OpenStudy (tyler444):
options are 10 18 28 40 @YanaSidlinskiy
OpenStudy (tyler444):
20 not 28
OpenStudy (robtobey2):
40% increase \[\frac{1}{45} (63-45) 100 \]
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OpenStudy (yanasidlinskiy):
Pick the closest one...
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