Respuesta :

Each 1/5 equals 8 min because 24/3 = 8 (3 is from the 3/5)
2 miles = 10/5
3/5 mi = 24 min
6/5 mi = 48 min
9/5 mi = 72 min
+ 1/5 (8min) = 80 minutes or one and one third of an hour (1 hour 20 minutes)