Question 678422
number of pavilion tickets plus number of lawn tickets equals total of 1600 tickets.
x+y = 1600
...
cost of pavilion tickets times number of pavilion tickets plus cost of lawn tickets times number of lawn tickets equals 26000
20x + 15y = 2600
.....................
Delighted to help.
-Reading Boosters
Website: www.MyHomeworkAnswers.com 
Wanting for others what we want for ourselves.