Math, asked by mithun15, 1 year ago

4.5 gram of an alloy of copper and zinc contains 3.5 gram of copper. what weight of copper will there be in 18.9 gram of the alloy?

Answers

Answered by Anonymous
28
4.5 g contains 3.5 g of Cu
therefore 18.9 g of alloy contains 3.5/4.5*18.9
=7/9*18.9
=7*2.1
=14.7g of Cu
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