A man covers a distance of 15Km in 3 hours partly by walking or partly by running. If he walks at 3 km/hr. and runs at 9 km/hr. find the distance he covers by running.
A man covers a distance of 15Km in 3 hours partly by walking or partly by running. If he walks at 3 km/hr. and runs at 9 km/hr. find the distance he covers by running.










