Question

An alloy of tin and copper consists of 15 parts of tin and 105 parts of copper. Find the
percentage of copper in the alloy?​

Answer 1

Answer:

Amount of tin in an alloy = 15 parts

Amount of copper in an alloy = 105 parts

So, total weight of alloy = 15 + 105 = 120 parts

Now, by calculating Percentage of copper in alloy = (105/120) × 100 = 525/6 = 87.50%

∴ Percentage of copper in an alloy is 87.50%

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