20 minutes
15/60 = 1/4 hour = 15 minutes
The time to drive four kilometers would depend on the speed the vehicle is going. At four kilometers per hour it would take one hour. At 32 kilometers per hour, it would take 15 minutes.
12 hours if you drive at 100km/hr straight.
15 kilometers is 9.32 miles.
80 hours
7.88 hours
12 minutes
2536 kilometers
15 kilometers long, 8 kilometers wide, about 8 kilometers thick.
2,0869 hours= 2h5m13s
9,321 miles.