Jawabanmu

2014-05-01T23:21:30+07:00
2x + 3x = 180
5x = 180
x = 36

<P = 2.36 = 72
<Q = 3.36 = 108

Itu menurut saya
2014-05-01T23:22:08+07:00
P= 2/5 x 180
  = 72
Q = 3/5 x 180
    = 108