Question

how long a bicycle will take to travel a distance of 15km with the speed of 7.5km /h?​

Answer 1

Answer:2 hour

Explanation:

Answer 2

Answer:

15km in 30 minutes equates to 30km/h, which is nearly 19mph. This kind of pace is roughly what the best club riders can average for 80km or more, based on the members of my cycling club.

15km is obviously not quite as long a distance, but 30km/h would still be a decent pace over 15km, and is probably beyond a complete beginner, regardless of how fit and athletic they are. 25km/h would be a more realistic target.