Question

5 by 9 of a piece of metal has a mass of 7 kg what is the mass of 2 by 7 of the piece of metal​

Answer 1

Answer:

hope it helps

Step-by-step explanation:

I can't say its literally correct,I just answer u how I got it.ohkd duddy?

let total mass of metal = x

so,5/9 of x = 7 kg

now, x = 7 × 9/5 = 63/5

now,

2/7 of x = 2/7 × 63/5

so,

2/7 × x = 3.6 kg

so mass of 2 by 7 of piece of metal is 3.6 kg