SOLUTION: the time for the bus trip between two towns is 45 mins shorter than the time for the train trip between the same two towns .If the towns are 350 km apart and the train speed is 15k

Question 995695: the time for the bus trip between two towns is 45 mins shorter than the time for the train trip between the same two towns .If the towns are 350 km apart and the train speed is 15km/h slower than that of the bus,find the speed of the bus in km/h .
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Basic travel rate is RT=D to relate rate, time , distance.

           speed      time          distance
BUS         r         t                350
TRAIN       r-15      t-(3/4)          350

Solve this system for the speed of the bus, r.
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