Question 469962
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Hi
diesel train traveled 12 hrs, cattle train 18hrs
Let x and (x-33) represent the speeds of the cattle and diesel trains respectivley
Question states*** D = rt  Total distance for both trains is 1284mi
  18x + 12(x-33) = 1284
        30x = 1680
          x = 56mph, the speed of the cattle train.  the diesel 23mph

CHECKING our Answer***
 56mp*18hr + 23mph*12hr = 1284mi