SOLUTION: Hi. I have another question regarding time: The number N of guests that arrive at a mall food court each hour can be approximated by N=-12x(square) + 110x + 35, where x is the n

Question 253: Hi. I have another question regarding time:
The number N of guests that arrive at a mall food court each hour can be approximated by N=-12x(square) + 110x + 35, where x is the number of hours after 11:00 am. At what times, to the nearest minute, are 200 guests per hour arriving at the food court?

Thanks
Answer by whenindoubt(13) (Show Source): You can put this solution on YOUR website!
this is a quadratic equation. The set up is pretty straight forward. They have given you the solution which is 200.
so

since it's a quadratic equation....solve for X.

and now use any of the three factorization methods

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