Question

3/4 of a pece of matel has a mass of 15 kg. what is the mass of 2/5 of the piece of matel?​

Answer 1

Answer:

3/4 piece of metal has mass of 15kg

⇒ 3/4 piece = 15 kg

Find the mass of 1 piece of the metal:

3/4 piece = 15 kg

1 piece = 15 ÷ 3/4

1 piece = 15 x 4/3

1 piece = 20 kg

Find the mass of 2/5 piece of the metal:

1 piece = 20 kg

2/5 piece = 2/5 x 20

2/5 piece = 8 kg

Answer: 2/5 piece has a mass of 8 kg

Answer 2

Answer:

8kg

Step-by-step explanation:

3/4 = 5

Let, total mass be x

x = 4×15/8

= 20kg

so, total mass = 20kg

= 2×20/5

= 2×4

= 8kg