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The ratio of zinc and copper in an al...

The ratio of zinc and copper in an alloy is `7: 9.` It the weight of the copper in the alloy is 11.7 kg, find the weight of the zinc in the alloy.

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The ratio of zinc and copper in an alloy is 7:9. If the weight of copper in the alloy is 11.7 kg, find the weight of zinc in it.

The ratio of zinc and copper in an alloy is 7:9. If the weight of copper in the alloy is 12.6 kg, find the weight of zinc in it.

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The ratio between the weights of gold and silver in the alloy is 17 : 3 . If the weight of silver in the alloy is 2.7 gm. Find the weight of gold in the alloy? (A) 12. 6 gm (B) 15. 3 gm (C) 18 gm (D) 21. 1 gm

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