A motorist leaves Springton at 6:43 am, drives the 191 miles to Peakview , takes a 1 hour and 29 minute break and then drives a further 265 miles to Mooseville, arriving at 6:47 pm.

(a) Assuming the motorist drives at a constant speed throughout the journey, at what speed (to the nearest mile per hour) does he/she travel?
Answer: miles per hour

(b) If the motorist had gone 2 miles per hour slower than the speed you recorded in part (a), at what time (to the nearest minute) would he or she arrive?
Answer: pm

(c) If the motorist had gone 7 miles per hour faster than the speed you recorded in part (a), at what time (to the nearest minute) would he or she arrive?
Answer: pm