SOLUTION: An ordinary bus left the station going towards west at an average speed of 100 kph. An hour later, an aircon bus left the same station going towards east at an average of 150 kph.
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Question 903915: An ordinary bus left the station going towards west at an average speed of 100 kph. An hour later, an aircon bus left the same station going towards east at an average of 150 kph. At what time will they be 500 km apart from each other.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
d=r*t+R*t
500=100*t+150*t
500=250*t
t=2 hours
d=R*t
d=150*2
d=300 miles at 150 kph
d=r*t
d=100*2
d=200 miles at 100 kph
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