Question

Copper and Zinc are in the ratio 2 : 3 in 200 gms of an alloy. The quantity of copper to be added to it to make the ratio 3 : 2 is: *​

Answer 1

Answer:

Hello ✌️

Explanation:

100g of copper need to be added.

Thank you so much ❣️

Answer 2

hyyyy!!!! here is ur answer....

Zinc and Copper are in the ratio of 5 : 3 in 200 gm of an alloy. How much grams of copper be added to make the ratio as 3 : 5 ?

A) 1331313313

B) 12001200

C) 72

D) 66

Correct Answer:

A) 1331313313

Description for Correct answer:

Zinc : Copper

5 : 3

5x : 3x

8x = 200

x=2008=25x=2008=25

Zinc=5x=5×25=125gmZinc=5x=5×25=125gm

Copper=3x=3×25=75gmCopper=3x=3×25=75gm

after adding x gram copper ratio becomes 3 : 5

625 = 225 + 3x, 400 = 3x

x=4003=13313gmx=4003=13313gm

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