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20 increased by 7% = 20* (1+7/100) = 20*1.07 = 21.4
7 of out 20 in percent is (7/20)*100 = 35 percent.
87 + 7 percent = 93.09
If 250 increased to 300, the percentage increased by 20 percent.
80 + 20% = 96
200 + 20% = 240
100 + 20% = 120
116.40
6
75.6
360
900