SOLUTION: A community group bought 30 tickets to an amusement park at a total cost of $810. They bought x student tickets for $25 each and yadult tickets for $30 each. Complete the follow

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Question 884863: A community group bought 30 tickets to an amusement park at a total cost of $810. They bought x student tickets for $25 each and yadult tickets for $30 each.
Complete the following sentence.
The community group bought 
 student tickets and 
adult tickets.

Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
If all 30 tickets were adult tickets, the bill would be 30*30, or $900.
The given bill is $810. $900-$810 = $90
The difference in the student ticket and adult ticket is $30-$25, or $5.
$90/$5 = 18
18 student tickets at $25 = $450
That leaves 12 adult tickets at $30 = $360
$450 + $360 = $810