Answer:
1 1/2 hours
Step-by-step explanation:
1/3 of an hour is 20mins
multiply 1/2mile*2
and 20mins*2
1mile in 40mins.
1*2.25
40*2.25=90mins
2 1/4 miles in 90mins or an hour and a half
That could also be written as
2 1/4 miles in 3/2 hours or 1 1/2 hours