Math, asked by Gshdidg, 1 year ago

An alloy contains copper and zinc in the ratio of 2:11. Find the weight of copper in the alloy,if it has 28.6 grams of zinc.

Answers

Answered by Mankuthemonkey01

Let zinc be 11x and copper be 2x

Given zinc = 28.6 grams
=> 11x = 28.6 g ( since zinc is 11x )

So
$x = \frac{28.6}{11} \\ x = 2.6$
Now x = 2.6
so copper = 2x = 2 × 2.6 = 5.2 grams

Hope it helps dear friend ☺️✌️✌️

ADPrabhu: first of all, answer will be in grams

Mankuthemonkey01: check the Question again

ADPrabhu: yes

Mankuthemonkey01: maybe u typed Question wrong

ADPrabhu: you are right

Gshdidg: no the question is correct

ADPrabhu: how can the answer come in kg when zinc with higher ratio is in grams

ADPrabhu: apply common sense

ADPrabhu: check it again

ADPrabhu: may be you would have mistaken IN checking the correct number

Answered by ADPrabhu

Ratio of copper and zinc IN an alloy = 2:11
Mass of zinc = 28.6 grams (given)
Mass of copper = x (assumed mass)
Similarly, Zinc will be 11x which is equal to 28.6gram.
So, x = 28.6/11
x = 2.6
2x = 2.6 * 2 = 5.2grams
So, the mass of copper is 5.2 grams when mass of zinc is 28.6 grams IN an alloy of copper zinc ratio of 2:11.

Hope this helps you dear!!!

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