Question

The ratio of weights of copper and zinc in brass is 13:7. Find the weight of zinc in brass untensil weighing 700 gm​

Answer 1

Step-by-step explanation:

Let the numbers in the ratio be 13x and 7x

It means weight of copper =13x

Weight of zinc =7x

Given,  

Weight of brass =700 gm

According to the question,  

13x+7x=700

20x=700

x=35

Therefore,

Weight of copper =13x=13×35=455 grams

Weight of zinc =7x=7×35=245 grams

Hence, this is the answer.

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Answer 2

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