Question

A man travels some distance at a speed of 12 km/hr and returns at 9 km/hr. If the total time taken

by him is 2 hrs 20 minutes, then the distance is​

Answer 1

Answer:

12 km

Step-by-step explanation:

According to the question,

x/12+x/9=2+20/60

3x+4x/36=7/3

7x/36=7/3

x=252/21

x=12 km