Question

Which ratios form a proportion?
A. 3/5 and 9/25
B. 4/10 and 10/25
C. 4/9 and 9/4
D. 4/11 and 6/13

Answer 1

Answer:

B.

Step-by-step explanation:

Answer 2

Answer:

B.

Step-by-step explanation:

You are multiplying both numerator and denominator by 2 1/2