SOLUTION: A sports stadium is 80% of its full capacity for a concert. At the end of the event, patrons leave the stadium through various exits at the rate of 10 patrons per second. After 15

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Question 1170793: A sports stadium is 80% of its full capacity for a concert. At the end of the event, patrons leave the stadium through various exits at the rate of 10 patrons per second. After 15 minutes the stadium is 70% of of its full capacity. The number of patrons in the stadium 25 minutes after the concert is?
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
(10)(60)(15) = 9,000 patrons (or 10% capacity) left in 15 minutes

600 patrons leave every minute ==> 15,000 patrons leave in 25 minutes