Question

An athlete runs 20 km against the wind and 24 km with the wind in 8 h.She also runs 30 km against the wind and 28 km with the wind in 11 h. Find the speed of the athlete in the absence of the wind and the speed of the wind (a) 5 km/h, 3 km/h (b) 6 km/h ,2 km/h (c) 8 km/h , 4 km/h (d) 12 km/h , 4 km/h

Answer 1

nothing to do just multiply the hours given in the question(a,b,c,etc) with total distace of 20km and 30 km