Jawabanmu

2014-04-16T21:04:17+07:00
920 x 17 : (6+17) = 680
920 x 6 : (6+17) = 240
680-240= 440
2014-04-17T05:29:45+07:00
A = 6/23 X 920
   = 240
B = 17/23 X 920
   = 680

Selisih =  680-240
           = 440
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