the ratio of copper and zinc in an alloy is 3:5. if the weight of zinc isbthe alloy 9.5g, then what is the weight of copper in it
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you first divide 3 by 5 then multiply by 9.5
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3: 5 = x : 9.5
x = 3× 9.5 / 5 = 5.7 gms
x = 3× 9.5 / 5 = 5.7 gms
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