A person walks at a speed of 4 km/hr and runs at a speed of 8 km/hr.
A person walks at a speed of 4 km/hr and runs at a speed of 8 km/hr. How many hours will the person require to cover a distance of 4 km, if the person completes half of the distance by walking and the other half by running?
Answer/Solution
0.75
Steps/Work
time = 2/4 + 2/8 = 6/8 = 0.75 hours
The answer is C.
The answer is C.