Question

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

Answer 1

Answer:

weight of zinc = 7x

weight of copper = 9x

weight of copper = 11.7 kg

9x= 11.7

x=11.7/9

x= 1.3

weight of zinc = 7x = 7*1.3 = 9.1 kg

Step-by-step explanation:

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