Question

An alloy is made of 54% copper, 26% zinc and rest nickel .what is the percentage of nickel​ ​

Answer 1

54+26=80
80-100
=20
Ans.The alloy is made up of 20% nickel

Answer 2

Answer:

let the alloy be 100gm

copper=54gms

zinc=26 gms

nickel= 100-(54+26) =20 gms

Therefore nickel is 20%