SOLUTION: The distance between town A and town B was 210 miles. At 9:20 p.m., a bus set off from town A to town B and a car left from town B to town A at the same time. The average speed of

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Question 828048: The distance between town A and town B was 210 miles. At 9:20 p.m., a bus set off from town A to town B and a car left from town B to town A at the same time. The average speed of the bus was 60mph, and the average speed of the car was
(a)At what time did the car pass the bus?
(b)How far had the traveled when it passed the bus?
Answer by josgarithmetic(39614) About Me  (Show Source):
You can put this solution on YOUR website!
Rate*Time=Distance.
The sum of their distances is 210 miles.

Handling time sizes without reference to a time line,

60%2At%2BR%2At=210, and you cannot do much more until you have some information about the time t, or the rate R of the car.

t=210%2F%28R%2B60%29 and R=%28210-60t%29%2Ft.