Final answer:
Ken will take 236 minutes to glide down from a 6486 ft cliff, descending at a rate of 27.6 ft per minute.
Step-by-step explanation:
To determine how long it will take Ken to glide down from a 6486 ft cliff at a rate of 27.6 ft every minute, we use simple division:
Time = Total Distance ÷ Rate
Time = 6486 ft ÷ 27.6 ft/min
Calculating this gives us a time of approximately 235 minutes, since we are looking for the time in whole minutes, it is appropriate to round up to the nearest whole minute if there is any fraction of a minute left. Assuming we need to land exactly at the base of the cliff and can't land part-way through a minute, we round up:
Time = 235.5 minutes → 236 minutes
The correct answer is c. 236 minutes.