Jawabanmu

2014-06-12T13:18:55+07:00
M air panas (100-40) C air= m air (40-0) C air
C air dicoret
m air panas 60= 300 40
m air panas=200
2014-06-12T13:48:38+07:00
Massa minum air pan as do tambahkan adalah40 gram