Question

The ratio of copper and zinc in an alloy is 9:7. If the weight of zinc in the alloy is 9.8 kg, find the
weight of copper in the alloy.​

Answer 1

Answer:

12.6

Step-by-step explanation:

copper : zinc = 9 : 7

zinc = 9.8

copper : 9.8 = 9 : 7

copper = 9

9.8 7

7(copper) = 9 * 9.8

7 (copper) = 88.2

weight of copper = 88.2

7

Weight of copper = 12.6

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