document.write( "Question 284654: university theater sold 444 tickets for a play. Tickets cost $20 per adult and $15 per senior citizen. If total receipts were $7345, how many senior citizen tickets were sold? \n" ); document.write( "
Algebra.Com's Answer #206499 by nyc_function(2741)\"\" \"About 
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Let a = adult tickets\r
\n" ); document.write( "\n" ); document.write( "Let s = senior citizens tickets\r
\n" ); document.write( "\n" ); document.write( "a + s = 444
\n" ); document.write( "20a + 15s = 7345\r
\n" ); document.write( "\n" ); document.write( "You have a system of linear equations in two variables.\r
\n" ); document.write( "\n" ); document.write( "Can you finish now?
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