Question

To make an alloy copper and tin are requid by weight in the ratio 5:2 . How much tin is to be added with 31.5 gram of copper to get the alloy?

Answer 1

Answer:

To make an alloy copper and tin are required by weight in the ratio 5 : 2

Let the quantity of copper = 5x

the quantity of tin = 2x

Given, quantity of copper = 31. 5 grams

=> 5x = 31.5

=> x = = 6.3 grams

Quantity of tin added = 2 x 6.3 grams = 12.6 grams

Hence, 12.6 grams tin is to be added with 31.5 grams of copper to get the alloy.

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