Question

What’s the answer to 20?

Answer 1

A 26/4= 6.5 
B 5*4 = 20
 Reason for A: You will need to subtract 4 out of 26 to get the amount of miles (Don't trust me times 6.5 and 4 you will get 26)
Reason for B: B is the opposite do will do the opposite 

Answer 2

1/4 mile swim= 1 mile run or
1 mile swim=4 miles run

a. 26 mile run/4= 6.5 miles swim
b. 5 miles swim•4=20 miles run