Question

Which equation is a proportion?

1/3 = 1/4
3/4 = 6/9
5/8 = 20/32
7/9= 21/28

Answer 1

Option C

Explanation:

Cross multiply each of the answers

Option C is right because 160 = 160 through cross multiplication

Answer 2

C:
`(5)/(8)=(20)/(32)`

Explanation:

None