Asked by Anonymous

An alloy is made by using copper and zinc in the ratio of 17:3 how much zinc is used to make 4kg of the alloy?
Answered by Henry
zinc = 3x kg,
copper = 17x kg,

3x + 17x = 4.0 kg,
20x = 4,
x = 4 / 20 = 0.20,

3x = 3 * 0.20 = 0.6 kg = zinc required.
Answered by saleh
16
Answered by Ayush
let weight of zinc and copper=3x and 17x respectively.
Then,
17x + 3x=4000grams
20x=4000grams
x=(4000/20)grams
x=200grams

therefore, zinc required=(200*3)grams=600 grams=0.6 kg.
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