Answer:
1- 0.3 kilometres per minute
2- 4.5 kilometers in 15 minutes
Explanation:
Since, Rider rides 18 km per hour, we need to divide 18 km by 60 minutes to get KM per minute.
we get:
1- 0.3 km per minute
Now, In 15 minutes the rider rides:
0.3 km x 15 minutes = 4.5 km per minute.