Two train leave towns 777 kilometers apart at the same time and travel toward each other. One train travels 11 kmh slower than the other. If they meet in 3 hours. What is the rate of each train?

Solution

Solution

first trai n^{'} s speed : 124

second trai n^{'} s speed : 135

Solution steps

Translate the problem into an equation:

x \cdot 3 + (x + 11) \cdot 3 = 777

Solve for

x, x \cdot 3 + (x + 11) \cdot 3 = 777 : x = 124

Find speed

first trai n^{'} s speed : 124

second trai n^{'} s speed : 135

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