At a price of per ticket, a musical theater group can fill every seat in the theater, which has a capacity of . For every additional dollar charged, the number of people buying tickets decreases by . What ticket price maximizes revenue? Revenue is maximized when the price is

The appropriate answer is "$12".

Step-by-step explanation:

As per the question,

Price per ticket,

=

Number of people,

=

Now,

The revenue (R) will be:

=

By putting the values, we get

=

=

or,

⇒

⇒                    

⇒                          

hence,

The ticket price will be:

=

=

= ($)

i can't see the picture : /