Jawabanmu

2014-09-10T21:25:26+07:00
100% = 168 x 100 ; 42
         = 400
100% = 168 x 100 / 42
100% = 168 x 100 / 42 = 400
2014-09-10T21:27:12+07:00
42% = 42/100 = 168
100/42 x 168 = 400

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