The ratio of copper and zinc in an alloy is 7:5. If the weight of copper in the alloy is 13.30 kg, find the weight of zinc in it.
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Step-by-step explanation:
Given that,
weight of zinc =7x
weight of copper= 5x
total weight of alloy =
7x + 5x=13.30kg
x=0.9kg
Hence,
weight of zinc=7 × 0.9 = 6.3kg
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