SOLUTION: A train leaves New York for Boston, 200 miles away, at 3:00 P.M. and averages 40 mph. Another train leaves Boston for New York on an adjacent set of tracks at 4:00 P.M. and average

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: A train leaves New York for Boston, 200 miles away, at 3:00 P.M. and averages 40 mph. Another train leaves Boston for New York on an adjacent set of tracks at 4:00 P.M. and average      Log On

 

Hi,

New York & Boston, 200 miles apart

D = rt, total distance traveled by the two trains is 200mi

 40t + 40(t-1) = 200mi

   80t = 240

     t = 3hr, time traveled by train leaving at 3pm

trains will meet at 6pm

and...