Since you never plan to buy the popcorn but only the movie
ticket, therefore we can definitely say that there is a direct correlation
between the total price and the number of tickets bought.
The proportion equation is:
P = 10.50 t
<span>where P is the total price and t is the number of tickets</span>
He would want to charge $0.85 per glass of lemonade to cover his expenses and have $10.00 profit. But in reality he would'nt make $17.00 because people don't carry freaking nickels and dimes.