Question

3/7 0f what number is 9?

Answer 1

3/7 x = 9
3x = 63
x = 21
The answer is 21 :)

Answer 2

3/7*x=9
x=9*7/3
x=3*7{as 3 cancels 9 3 times..}
x=21
therefore number is 21..

Hope this helps u!!