Math, asked by aarushi66, 1 year ago

an alloy contains 40 % of copper 32% Nickel and rest zinc. find the mass of zinc in one kg of the alloy

Answers

Answered by kumarankur164p7u2qy

Please find attached

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Answered by AnIntrovert

Let the % be x.

40 + 32 + x = 100

72 + x = 100

x = 100 - 72

x = 28.

Given, Mass = 1 Kg

So, mass of zinc = 28 / 100

= 0.28 Kg.

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