1. A diver does a 60 foot dive for 30 minutes then waits on
the surface for 1 hour. How long can she dive at 50 feet now?
answer
2. A diver goes to 82 feet for 18 minutes. After a
surface interval of 30 minutes, how long can she dive to 55 feet?
answer
3. A diver goes to 60 feet for 40 minutes. She eats
lunch for an hour and a half. Then, she does a 55 foot dive for 16
minutes. What group is she in?
answer
4. A diver goes to a shipwreck at 102 feet for 11 minutes.
After a 45 minute surface interval, she does a 42 foot dive for 22 minutes.
What is her group?
answer