Question

an alloy of copper and zinc contains 40% copper and the rest is zinc. find the weight of copper and zinc in 25kg of alloy​

Answer 1

Answer:

11 kg

Step-by-step explanation:

total weight of alloy = 20 kg

Weight copper = 20 x 45% = 20 x \frac { 45 }{ 100 } = 9 kg

Weight of zinc = (total weight of alloy – weight of copper) = 20 – 9 = 11 kg

Hope it helps u

Answer 2

This is your answer.

Hope it helps.