The proportion of copper and zinc in the brass is 13:7. How much zinc will ther

Question

The proportion of copper and zinc in the brass is 13:7. How much zinc will there be in 100 kg of brass?

Options:

A . 20 kg

B . 35 kg

C . 55 kg

D . 14 kg

Answer: Option B

7/20
* 100 = 35

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