If it is equally distrubuted in 3 sections then we would divide 15,000 by 3. Now we take one section which would cost $10.00 and multiply it by the 5,000 since we divided. We would do the same with all three and then add it together.
$10 * 5,000 = $50,000 section one can sell this much $12.50 * 5,000 = $62,500 section two can sell this much $15 * 5,000 = $75,000 section three can sell this much
If all the seats are sold than 50k + 62.5k + 75k = $187,500 can be made
