1.

The ratio of Copper and Zinc in an alloy is 5 ∶ 3. If the weight of Copper in the alloy is 30.5 grams, then find the weight of Zinc in the alloy:

A. 20.5 g
B. 20.8 g
C. 15.8 g
D. 18.3 g
Answer» E.


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