From 2 stations at the same time towards two trains Speed of the First Train each other left it is equal to 58 km/h and the speed of the second on 4 kilometers hour more in 4 hours the distance between trains was equal to 158 km

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58 km/h + 4 km/h = 62 km/h (speed of the 2nd) of 58 km/h + 62 km/h = 120 km/h (rapprochement speed) of 120 km/h * 4 hours = 480 km (will pass in 4 hours) 480 km + 158 km = 638 km of Answer: between stations of 638 km
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