Answer:
Distance between Exeter and the point where flat tire occurred was 1.875 miles.
Step-by-step explanation:
Let the distance of Exeter and the point where bike developed the flat tire was = x miles
Then time taken to reach that point with speed 15 mi per hour =
= hours
Devon comes back with a speed of 3 miles per hour then time taken to come back = hours
Total time for the entire episode = 48 minutes or hours
Therefore,
x =
x = miles
x = 1.875 miles
Therefore, distance between Exeter and the point where flat tire occurred was 1.875 miles.