Question

the ratio of copper and zinc in an alloy is 7:8 if the weight of zinc is 13.6 kg find the weight of cooper in the alloy

Answer 1

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Answer 2

ratio of zinc and copper is 7;8

weight of zinc is 13.6kg multiply with 100 = 13600g

8x=13600

x=13600 by 8 =1700g convert to kg = 1.7

7x=7 *1.7kg=11.9kg