Question 1164330
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To be adequate to real life,  the problem must be formulated  DIFFERENTLY.


<pre>
    The owner of a movie theater needs to bring {{{highlight(cross(in_1600))}}} <U>at least</U> $1600 revenue 
    at each screening in order to stay in business. He sells adults' tickets 
    for $11 each and children's tickets at $9 each.


    a.  How much revenue does he earn from selling x adults' tickets?

    b.  How much revenue does he earn from selling y children's tickets?

    c.  Write an {{{highlight(cross(equation))}}} <U>inequality</U> in x and y for the number of tickets he must sell at each screening.
</pre>


&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Then the answer for &nbsp;(c) &nbsp;is &nbsp;THIS &nbsp;{{{highlight(inequality)}}}


&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11x + 9y >= 1600  dollars.


<pre>
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</pre>