I would recommend asking a tutor
30. Since he can ride the bike 6 miles in 20 mins, and 100 divided by 20 is 5, the answer would be given to you by multiplying 5x6, which is 30. So he can travel 30 miles in 100 minutes.
6 hours and 40 mins which would be 6:45
Answer:
76/99
Step-by-step explanation:
76 ÷ 99 = 0.767676....
