SOLUTION: Suppose that there are two types of tickets to a show: Advance and same day. Advance tickets cost $25 and same day tickets cost $20. For one performance, there were 55 tickets sold

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Question 1070296: Suppose that there are two types of tickets to a show: Advance and same day. Advance tickets cost $25 and same day tickets cost $20. For one performance, there were 55 tickets sold in all, and the total amount paid for them was $1300. how many tickets of each type were sold?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x, same-day
y, advanced

system%2820x%2B25y=1300%2Cx%2By=55%29
Solving such a system is very routine.

The revenue equation here is simplifiable to 4x%2B5y=260, and then you have your choice of methods; either Elimination, or Substitution.