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Question

The ratio of copper and zinc in an alloy is 9:5. If the weight of copper in the alloy is 48.6 g, find the weight of zinc in the alloy.

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Solution

Let x be the weight of zinc.


Weight of copperweight of zinc=95

95=48.6x

x=48.6×59

x=48.6×59=27


Hence, the 27 g weight of zinc in the alloy.

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