Question

5 grams of an alloy contains 15/4 grams copper and the rest is nickel.Find the ratio by weight of nickel to copper​

Answer 1

Refer to the attachment please

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Answer 2

Step-by-step explanation:

15/4= 3.75 grams of copper

if copper is 3.75 grams then nickel is 1.25 grams = (5 grams - 3.75 grams)

so the ratio of nickel to copper is 1.25/3.75= 1/3