Jawabanmu

2014-06-10T22:45:34+07:00
*o= orang
*h= hari 
*m= makanan
m= 60o = 25 h
m= 60o+15o = 75o = xh

kali sejajar
60 . 25 = 75 . x
1500 = 75.x
x = 1500/75 = 20 hari
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