SOLUTION: A small canteen offers special meal package to their customers.The profit P that the canteen will earn at x number of customer is modeled by the function P(x) = -25x2 + 100x - 30

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Question 1171623: A small canteen offers special meal package to their customers.The profit P that the canteen will earn at x number of customer is modeled by the function P(x) = -25x2 + 100x - 3000. How many people are needed for a profit of at least Php5,000?
Answer by ikleyn(52817) About Me  (Show Source):
You can put this solution on YOUR website!
.

To answer the question, solve equation

-25x2 + 100x - 3000 = 5000.

Find its roots.

The answer is the set of all non-negative integer numbers between the roots.