SOLUTION: How do I solve this problem? A scuba diver is returning to the surface from a depth of 165 feet. The safe ascent rate for a diver is 30 feet per minute. How many minutes will it

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Question 416835: How do I solve this problem?
A scuba diver is returning to the surface from a depth of 165 feet. The safe ascent rate for a diver is 30 feet per minute. How many minutes will it take for the diver to reach the surface ?
Found 2 solutions by stanbon, htmentor:
Answer by stanbon(75887) About Me  (Show Source):
Answer by htmentor(1343) About Me  (Show Source):
You can put this solution on YOUR website!
Let r = the safe ascent rate (30 feet per min.)
We know that rate = distance/time
Distance, d = 165 feet
To get the time required to travel a certain distance, invert the rate and multiply by the distance.
Thus we have t = d/r
Putting in the numbers gives t = 165 feet/(30 feet/min) = 5.5 min.
Ans: 5.5 minutes