Question 1073481
The passenger train traveled for 4 hours and freight train for 5 hours.


<pre>
               SPEED     TIME       DISTANCE
PASSENGER      r+30        4        4(r+30)
FREIGHT         r          5         5r
TOTAL                               1250
</pre>


Equation to solve,  {{{4(r+30)+5r=1250}}}



To nearest whole numbers
Passenger train, 156 km/hour
Freight train, 126 km/hour