nafisahlakes nafisahlakes
  • 03-04-2017
  • Mathematics
contestada

The number of video stores in a region recently decreased from 128 to 77. Find the percent decrease.

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xclusiveprxncess
xclusiveprxncess xclusiveprxncess
  • 03-04-2017
The percent decrease of this question is 39.8%
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VenusRetrograde
VenusRetrograde VenusRetrograde
  • 03-04-2017
  128       100%
_____ = _____
   77          x%

Cross multiply
128x=7700
divide both sides by 128
x=60.15625%

100%-
60.15625%=39.84375% decrease
round to the nearest whole number....
40% decrease

Answer=40% decrease


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