Question

15. A woman walks a certain distance in 84 min. She covers two thirds of it at 4 km/h and the
rest at 5 km/h. Find the total distance she covered.​

Answer 1

Answer:

6 km

Step-by-step explanation:

let total distance covered by her is x km

time=distance/speed

2x/3×4 +x/3×5 =84/60

14x/60= 84/60

x = 6 km