Question

$\frac{3}{4}$ of a piece of metal has 15 kg. What is the mass of $\frac{2}{5}$
of the piece of metal?

Answer 1

Answer:

3/4 of metal is 15 kg.

let the total weight be x.

3/4 × x = 15

3x/4 = 15

by cross multiplication

3x = 60

x= 60/3

x= 20 kg

2/5 = ?

2/5 × 20

= 40/5

= 8 kg (answer)