Asked by Leslie

the distance between town A and town B was 210km. At 9:20pm a bus sets off from town A to town B and a car left from town B to town A. The average speed of the bus was 60km/h and the average speed of the car was 80km/h.
a)Calculate the time at which the car passed the bus.
b)How far had the car traveled when it passed the bus?

Answers

Answered by Reiny
they both drove the same time, t hrs

so 60t + 80t = 210
140t = 210
t = 210/140 = 1.5

after 1.5 hrs, they met.
and that time was 9:20 + 1:30 = 10:50 pm

distance traveled by car = 1.5(80) = 120 km
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