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

4.5g of an alloy of copper and zinc contains 3.5 g of copper. How much copper will there be in 18.9 g of alloy ?

Name an alloy of copper and zinc.

An alloy of copper and zinc contains 65% of copper. Find the weight of zinc in 3.6 kg of alloy.

The ratio of copper and zinc in an alloy is 5:3. If the weight of copper in the alloy is 30.5 g. find the weight of zinc in it.

The ratio of copper and zinc in an alloy is 9 : 5 If the weight of copper in the alloy is 48.6 grams. Find the weight of zinc in the alloy.

The ratio of copper and zinc in an alloy is 5:3 . If the weight of the copper in the alloy is 30. 5 grams, find the weight of zinc in the alloy.

The ratio of copper and zinc in an alloy is 5:3 . If the weight of the copper in the alloy is 30. 5 grams, find the weight of zinc in the alloy.