Answer:
90min
Explanation:
we can solve the first part by means of the rule of three:
5.3miles ----2.5 hour
3.18miles----x
then

Now we must convert hours to minutes:
1.5 hours = 1.5hours (1)
1.5 hours =1.5 hours

1.5 hours =(1.5)(60) min
1,.5 hours =90min