A garrison of 900 men had provisions for 42 days.however,a reinforcement of 500 men arrived.for how much days will the food last now?
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It is an inverse proportion equation
Thus,
900+500:900 :: 42: x
1400x :: 900×42
1400x : 37800
Thus, x=27 days
adnan70:
can u write it by proportional boxes
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