Jawabanmu

2014-06-03T15:28:10+07:00
A / B = 3/2 / 9/4 = 3/2 × 4/9 = 2/3
B / C = 5/2 / 8/3 = 5/2 × 3/8 = 15/16
B = 15C / 16

A / B = A / 15C/16
         = A × 16/15C
2 / 3 = 16A / 15C
15C × 2 = 16A × 3
5C × 2 = 16A
5C / 8 = A
5 / 8 = A / C