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Question

An alloy is made up of 48% copper, 24% zinc and the rest is tin. Find the respective weight of each metal in 4.2 kg of the alloy.

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Solution

Percentage of copper is 48%
Weight of alloy is 4.2kg
Weight of copper is given by 48100×4.2=2.016kg
Percentage of zinc is 24%
Weight of alloy is 4.2kg
Weight of copper is given by 24100×4.2=1.008
Percentage of copper is 1004824%=28%
Weight of alloy is 4.2kg
Weight of copper is given by 28100×4.2=1.176kg



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