Gopal travelled 125.5 km by bus, 14.25 km by pony and the rest of distance to Kedarnath on foot. If he covered a total distance of 150 km, how much did he travel on foot?
Total distance = Foot + bus+pony
150 = 125.5 + 14.25 + foot
150=139.75+foot
foot=150−139.75
=10.25