SOLUTION: A freight train, traveling at an average rate of 30mi/hr, leaves San Francisco for Los Angeles. Five hours later, a passenger train, traveling at an average rate of 55mi/hr, leaves
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Question 757830: A freight train, traveling at an average rate of 30mi/hr, leaves San Francisco for Los Angeles. Five hours later, a passenger train, traveling at an average rate of 55mi/hr, leaves San Francisco for Los Angeles. How far are the trains from San Francisco when the passenger train passes the freight train?
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
Freight train is miles from San Francisco when the passenger train just begins departing from San Francisco.
Setting time, x = 0 when the passenger train starts, distances from San Francisco are:
Freight:
Passenger:
Question: When are the distances for each train from San Francisco equal? HOW FAR ARE THEY FROM San Francsisco AT THAT TIME?
hours
Pick either distance equation. The two trains are miles from San Francisco.
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