2 hours and 40 minutes.
I-71 S and I-70 W:215 miles - about 3 hours 24 mins
one hour = to 60 mins . 15 mins = to 0.25 hours the answer is o.25 hours and 40 mins
there are 14 five mins in 2 hours
2hrs 7 mins
3 hours 35 minutes 215 - 35 = 180 = 60 x 3
11 hours
380.383333 hours.
39.0833 hours.
11 hours
2.9167 hours.
166 hours and 40 mins