Jawabanmu

2014-05-01T21:45:03+07:00
70-10 : 120 = x/100
60/120= x/100
1/2 = x/100
x =50 C
2014-05-01T21:51:35+07:00
5/4 . (70-130)
5/4 . (-60)
5 . -15
-75 derajat Celcius