Which equation can be used to solve the problem?

Juanita hiked 5 1/4 miles on Saturday. That was 3/4 as far as Laura hiked.

How far did Laura hike?

Am = 3/4 x 5 1/4
B3/4m = 5 1/4
C3/4 / m = 5 1/4
Dm - 3/4 = 5 1/4