Question

5 /9 of a piece of metal has a mass of 7kg . what is the mass of 2/7 of the piece of metal?​

Answer 1

AnSwer:

• Mass of 2/7 of the piece of metal is 3.6 kg.

Step-by-step explanation:

• 5/9 of a piece of metal has a mass 7kg (Given)

⛄ So, let us find for 1 piece,

$\implies$ Mass of 1 of a piece of metal :

$\implies$ 7/(5/9)

$\implies$ 63/5 kg

Similarly,

$\implies$ Mass of 2/7 of a piece of metal

$\implies$ 63/5 × 2/7

$\implies$ 18/5kg

$\implies$ 3.6 kg

★ Therefore, mass of 2/7 of the piece of metal is 3.6 kg. ★

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Answer 2

Step-by-step explanation:

5/9of piece of metal has total mass = 7kg

1 of piece of metal has total mass = 7/(5/9)

= 63/5kg

so,

2/7 of piece of metal has total mass = 63/5×2/7

= 18/5kg

= 3.6kg ans

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