An alloy contains zinc and copper in the ratio 7 : 9. Find the weight of copper if it has 31.5 kg of zinc

asked Feb 21, 2023 57.1k views

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11 votes

24.5 kg

first you have to divide 31.5 by 9, which is 3.5

then you multiply 7 by 3.5 to get 24.5

Kevin Bowen answered Feb 27, 2023

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