Which of the ratio pairs are equivalent?
A.4:10 , 2:5
B. 5:4 , 10:6
C. 1:3 , 1:4

Answer:
A
Step-by-step explanation:
4:10 can be reduced to 2:5 without changing the ratio.
With B, 10 can be reduced to 5 by dividing by 2 but 6 divided by 2 is not 4.