



 
Hi J, The key here is that distance = time × rate. What you are missing is the rate of the eastbound train for if you can determine it then the rate of the westbound train is 20 km/hr faster. So let r be the rate of the eastbound train in km/hr and then the rate of the westbound train is (r + 20) km/hr.
What is the distance the westbound train travels? The sum of these distances is 1300 km. Solve for r. Penny  


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