Jawabanmu

2014-05-01T20:29:50+07:00
Q = m.L
200= 0,5 x L
L = 200 : 0,5
   = 400
2014-05-01T20:30:35+07:00
Dik = Q = 200 kal
m = 0.5
dit : L
jwb : Q =m.L
200 = 0.5 .L
L =200/0.5 
L = 400