Question

Which ratio forms a proportion with 12/20?

9/15

3/10

5/3

10/18

Answer 1

is there any factor that are cancelling 12 and 20 both ??

Answer 2

You can cancel 12 and 20 with 4..

Right ?

Answer 3

yes

Answer 4

So what are left with after cancelling them ??

Answer 5

3/5

Answer 6

Yes..

Now see from the answer choices with same ratio..

Check the first one..

Answer 7

Which number divides both 9 and 15 ??

Answer 8

3

Answer 9

So cancel them by 3 and what did you get after cancelling??

Answer 10

3/5

Answer 11

So you got the same in first time..

Well Done..

Answer 12

Thanks

Answer 13

Welcome dear.