Jawabanmu

2014-02-10T16:26:50+07:00
X+y = 150 , x = 150-y
54x = 48y

54(150-y) = 48y
8100 - 54y = 48y
8100 = 48y + 54y
8100 = 102y
y = 79,4cm
x = 150-79,4
   = 60,6 cm