Austin sees Christopher 1/6 of a mile away. Christopher is riding his bicycle towards Austin at two miles per hour. How much time will it take Christopher to reach Austin?

Austin sees Christopher 1/6 of a mile away, and Christopher is riding his bicycle at 2 miles per hour. This means that Christopher needs to cover a distance of 1/6 mile.

Time taken = Distance / Speed
Time taken = 1/6 mile / 2 miles per hour
Time taken = (1/6) / 2 hours
Time taken = 1/12 hour

Therefore, it will take Christopher 1/12 hour or 5 minutes to reach Austin.