Question

piece of rope y metres long is divided into 7 equal parts full stop if the length of each part is 3M full stop find the length of whole piece?

Answer 1

let 'x' be rope
let one part be 1/7*'x'
but it's given 1 part is 3m
so,
3=x/7
3*7=x
21=x

Answer 2

Step-by-step explanation:

the answer is 21.. hope it helps