Question

7. Which pair of ratios forms a proportion?

A. 6:16 and 9:25
B. 8:18 and 22:50
C. 9:21 and 15:36
D. 12:27 and 20:45​

Answer 1

Answer: D. 12:27 and 20:45

Step-by-step explanation: Cross multiply. A, B, and C don't equal each other, but when you cross multiply D (12 x 45 and 27 x 20) you get 540 and 540. So its D