Question

the ratio of the copper and Zinc in alloy is 7:4 if the total weight of the alloy is 24, 40 hg find the weight of each in the alloy

Answer 1

let the weight of copper=7x

and the weight of zinc=4x

total weight=24kg

7x+4x=24kg

11x=24

x=2.18kg

hence

weight of copper=7×2.18kg =15.26kg

weight of zinc=4×2.18=6.54kg

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