jeffbowens1 jeffbowens1
  • 25-05-2016
  • Mathematics
contestada

120 books increased by 55%

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JoshEast
JoshEast JoshEast
  • 25-05-2016
Simplest way to do this:
 number of books= 120
 percentage represented by 120= 100%
 increase current percent by 55%= 155%

: . 55% increase = original number of books * (155%)
                           = 120 * (155/100)
                           = 186
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