In one direction the pedestrian and the cyclist skorot the pedestrian of 5 km/h the speed of the cyclist 10km/h through 3 experts velosipedst went the pedestrian reached gdo the cities in rasstona Kako

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1) 10 * 3 = 30 km - distance to the city 2) 5 * 3 = 15 km - there passed a pedestrian 3) 30 - 15 = of 15 km - at such distance the pedestrian from the city. 10х3 = 30 km - distance to the city 5х3 = 15 km - there passed a pedestrian in 3 hours 30-15 = 15 km - remained to the pedestrian to the city
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