Answers

2016-03-29T12:47:21+05:30
Amount of food taken = x
so, if there are 180 soilders and 40 days 
therefore 180(x)40 = M 
= 180(x)10 + 150(x)d = M
= 180(x)10 + 150(x)d = 180(x)40
d = 180(30) divided by 150
= 36 days
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2016-03-29T13:34:21+05:30