SOLUTION: A small airplane coming in for a landing descends 5/66mi/min. About how long does it take to descend 4,000 ft. (Hint 1 mi=5,280 ft)

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Question 65127This question is from textbook Pre Algebra
: A small airplane coming in for a landing descends 5/66mi/min. About how long does it take to descend 4,000 ft. (Hint 1 mi=5,280 ft) This question is from textbook Pre Algebra

Answer by 303795(602) About Me  (Show Source):
You can put this solution on YOUR website!
The plane descends 5/66 mile per minute.
%285%2F66%29%2A5280
=400 feet per minute.
If it has to descend 4000 feet then that will take 4000/400 = 10 minutes