Ryan is training for a bicycle race.
● The distance he rides is miles long.
4 4 2
1
● He rides a portion of the distance at a slow speed both to warm up and to
cool down.
● Ryan rides of the distance at a fast speed for training.
5
4
● Of the slow-speed portion, is for the warm-up.
3
1
Which estimate is closest to the distance, in miles, Ryan rides to cool down?
A. 3 B. 6 C. 9
D. 12