What is the percent of increase from 20 to 39?

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Answer 1 · 2018-05-12T18:59:33

95%

Let a be the original number and b be the increased number,
Percentage increase = #\frac{b-a}{a} * 100% = \frac{39-20}{20} * 100% = 95%#

Answer 2 · 2018-05-12T19:00:43

95%

39-20=19

#19/20 xx 100=95#