A small theater has a seating capacity of 2000. When the ticket price is $18, attendance is 1500. For each $1 decrease in price, attendance increases by 100. (a)Write the revenue R of the theater as a function of ticket price x
(b)What ticket price will yield a maximum revenue?
(c)What is the maximum revenue?

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

step-by-step :

there were a lot of them but the first one to pop up on a google search was bts