Which ratios form a proportion?

Question

A) 4/5, 20/25******
B) 8/12, 18/24
C) 1/3, 7/24
D) 2/5, 6/16

Answer 1

yes 4/5 = 20/25 = 4*5 / 5*5

Answer 2

B) 8/12, 18/24
no 8/12 = 16/24

C) 1/3, 7/24
no 1/3 = 8/24

D) 2/5, 6/16
no 2/5 = 6/15

Answer 3

Thank you!

Answer 4

You are welcome.