Question

Which ratio forms a proportion with 15/70?
A. 45/210
B. 30/36
C. 25/80
D. 3/15

im confused, the answer I came up with is 15/70 = 3/14? am I doing something wrong, or is there just a typo?

Answer 1

15/70 = 3/14, but it is also equal to one of the other answer choices.

Answer 2

im thinking A?

Answer 3

Yep. 15*3=45, 70*3=210

Answer 4

yes its A

if you multiply it by 3 you will get the same ratio.

Answer 5

okay! thanks so much! :)