18 boxes of nails weigh equally and their total weih is 49 1/2 kg How much does each box weight ?
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Step-by-step explanation:
No. of boxes of nails=18
total weight of boxes=49 1/2 kg =99/2kg
weight of 18 boxes=99/2kg
weight of 1 box= 99/2×1/18
=99/36
=11/4kg
therefore, weight of 1 box is 2 3/4 kg or 2.75 kg
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