SOLUTION: An express train travels 80 mph from Wheaton to ward. a local train traveling 48 mph takes 2 hours longer for the same trip. how far are the cities?

Question 1148076: An express train travels 80 mph from Wheaton to ward. a local train traveling 48 mph takes 2 hours longer for the same trip. how far are the cities?
Answer by ikleyn(52884) (Show Source): You can put this solution on YOUR website!
.


Let "d" be the unknown distance.


Then you have this "time" equation


     -  = 2  hours,


which is an exact translation of English to Math.


To solve it, multiply both sides by 480.  You will get


    10d - 6d = 960

     4d      = 960

      d      =  = 240 miles.    ANSWER


CHECK.   = 5 hours;   = 3 hours.   5 hours - 3 hours = 2 hours.   ! Correct !

Solved.

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