18 boxes of nails weigh equally and their total weight is 49 1/2 kg. how much does each box weigh??
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answer:-
49½ kg = [(49×2)+1]/2 kg = 99/2 kg
18 boxes weigh total of 99/2 kg.
therefore, each box weighs [(99/2)÷18] kg = 99/36 kg = 11/4 kg = 2•75 kg
answer= 2•75 kg..
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