The ratio of copper and zinc in an alloy is 5:3 . If the weight of copper in the alloy is 30.5g. Find the weight of zinc in it
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let the weights be 5x and 3x
Weight of copper=30.5
5x=30.5
x=6.1
Weight of zinc=3x
=3*6.1
=18.3
Weight of zinc=18.3
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