(5.30 hours) + (1 hour 49 minutes) = 7 hours 7 minutes
530 minutes is 8 hours, 50 minutes.
Time = distance / speed = 530 / 75 = 7.0666.. hours = 7 hours and 4 minutes.
8 hours, 50 minutes.
7 hours 34 minutes.
It is (1.5 + 12*k) hours, where k is an integer.
1 hour and 45 minutes - you should try harder at your homework though !
The question gives no information concerning the distance the person covered, so his speed can't be calculated. The ability to travel 530 minutes in 10 hours requires moderate sedation.
5 hours 30 minutes.
8 hours and 30 minutes.
9 hours, 45 minutes
9 hours
8 hours 9 minutes. This is the actual driving time at that speed and does not include stops or delays.