Greg biked 29 miles in 2 hours. At this rate, how many miles will he bike in 1 1

2 hours?
Responses

A
20 1
2 mi
20 1 2 mi
B
21 3
4 mi
21 3 4 mi
C29 mi
29 mi
D
7 1
4 mi

The correct answer is D) 7 1/4 mi.