Given, Man's running speed = 9 miles/hour
Man's walking speed == 3 miles/hour
Given, Total time taken by the man to complete the journey is 2 hours.
Let, total distance covered by the man is x miles,
According to question,
Distance covered by the man is 4.5 miles.
ans. The distance in miles if he runs 9 miles per hours is 4.5 miles.