Question

An alloy consists of 30% copper and 40% zinc, and the remaining is nickel. Find the
amount of nickel in 30 kg of the alloy
this is the cost of subject Math chapter name percentage ​

Answer 1

Answer:

There is the 30%presence of nikel

Answer 2

the percentage of nickel is 100-(30+40)=30%

so the amount of nickel in 30 kg alloy is

$30 \times \frac{30}{100 } = 9kg$

hope it helps you