Question

An alloy consists of 30% copper and 40% zinc and the remaining is nickel. Find the amount of nickel in 20kg of the alloy

Answer 1

answer :---

let the total amount of alloy =100 percent.
copper =30 percent.
zinc=40 percent.
then nickel =100-(30+40)=30 .
the amount of nickel of alloy=30/100*20=6kg.
zinc =40/100*20=8kg.
copper=30/100*20=6kg

the answer is 6kg...
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