Keewan bike 6 miles in 30 minutes at this rate how long would it take him to bike 18 miles

90 minutes would be the answer.

6 miles in 30 minutes

so you need to find out how many minutes per mile

30/6 = 5 minutes

so Keewan bike 1 mile in 5 minutes

Now if you need to find how many minutes he bikes 18miles then

18 * 5 = 90

So It would take him 90 minutes to bike 18 miles