Question

An alloy consists of 13 parts of copper,7 parts of zinc and 5 parts of nickel.Find the percentage of copper in this alloy.​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Copper = 13 parts, Zinc = 7 parts

Nickel = 5 parts

Total alloy = 13 + 7 + 5 = 25 parts

Now, percentage of copper = 13/25 × 100 = 52%

Percentage of zinc = 7/25 × 100 = 28%

And percentage of nickel = 5/25 × 100 = 20 %