Question

Can you please match the number and explain thank you your saving a grade

Answer 1

We just have to make the ratio into a fraction and simplify:

`21:35=(21)/(35)=(3)/(5)`

`12:15=(12)/(15) =(4)/(5)`

`8:20=(8)/(20)=(2)/(5)`

`2:10=(2)/(10) =(1)/(5)`

Answer 2

3/5

Explanation:

put into fraction form: 21/35

21/35 (divide by 7/7)

3/5