Question

determine which ratio forms a proportion with 8/3 by finding a common multiplier.

A. 24/15

B. 16/9

C. 28/9

D. 72/27

Answer 1

The answer is D. 

A: 24/8=15/3
         3 = 5   (not true, therefore not A)

B: 16/8 = 9/3
         2  = 3   (not true, therefore not B)

C: 28/8 = 9/3
      3.5  = 3   (not true, therefore not C)

D: 72/8 = 27/3
         9  = 9  (true, therefore D)