SOLUTION: a car took 2 hours and 15 minutes to travel 198 km .if it arrived at its destination at 12:06, find (a)the time it started its journey (b)the average speed of the car, giving you

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: a car took 2 hours and 15 minutes to travel 198 km .if it arrived at its destination at 12:06, find (a)the time it started its journey (b)the average speed of the car, giving you      Log On


   



Question 746353: a car took 2 hours and 15 minutes to travel 198 km .if it arrived at its destination at 12:06, find
(a)the time it started its journey
(b)the average speed of the car, giving your answer in kilometers per hour

Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
a) If the car arrives at 1206, it will have set off at 9.51.
12.06 - 2.15 = 9.51
b) Convert 2 hours 15 mins to 2.25 hours
Average speed = 198/2.25 = 88km/hr