A 62.5 pound bag of concrete mix has 3/5 of its weight made up of sand and small stones The stones make up 1/4 of the weight what is the weight of the stones in the bag of concrete

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If the stones make up 1/4 of the weight of the sand and the stones, the weight of the stones in the concrete mix=1/4*3/5*62.5=3/20*62.5=187.5/20=9.375lb.

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