Jawabanmu

2014-03-21T07:26:51+07:00
B:C = 8:10 ,
B  = ((C-B) / 10 - 8) * *
    = (18/2) * 8
    = 9 * 8
    = 72
A = (72/6) * 10
   = 12 * 10
   = 120
C = (72/8) * 10
   = 9 * 10
   = 90

A = 120 ; B = 72 ; C = 90