Question

3/4 of a peice of metal has a mass of 15kg. What is the mass of 2/5 of the peice of metal?​

Answer 1

Explanation:

Let total mass be x

(3/4)*x=15

on solving

x=20

now,

mass of 2/5 of piece of metal is-

=> (2/5)*20

=> 8

Ans- 8kg