Question

Which pair of ratios is proportional?

A. 6/21 and 2/42
B. 25/100 and 50/150
C. 18/24 and 6/12
D. 7/14 and 20/40

I think its D. but I'm not sure.

Answer 1

none because if you do the calculations correct none of them are correct
(i would ask an adult or teacher)

Answer 2

You're right - it's D. Both ratios are equal to 1/2.