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: *
Answers
Answered by
4
Answer:
Hello ✌️
Explanation:
100g of copper need to be added.
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Answered by
4
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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