Question

Which ratios form a proportion with 9/15?

A.)6/10
B.)16/21
C.)36/50
D.)45/70

Answer 1

answer is D.)45/70

9/15 = (9 * 5) / (15 * 5) = 45/70 (multiple top and bottom by 5)

Answer 2

the answer is A. 6/10