It takes Tammy 45 minutes to ride her bike 5 miles. At this rate, how longwill it take her to ride 8 miles?

Answer 1

rate= 5mile/45min= 1mile/8 min

8 miles= rate*time
= 1mile/8min * time
time= 64 min

Answer 2

45/5 = 9 minutes per mile

8 * 9 = ?

Answer 3

72 minutes