Question

find how this can answer come 28/7= 13 how?

Answer 1

21 + 28 = 7 + 7 + 7 + 7 + 7 + 7 + 7 or 7 x 7. Since all multiples of 7 can be written as the sum of a certain number of 7s, whenever you

Answer 2

28 can be written as 7+21

So (7×1) =7 and (7×3)=21 so here we get 1 and 3 as quotient

so
$\frac{28}{7} = 13$

It denotes the quotient