document.write( "Question 310181: University Theater sold 494 tickets for a play. Tickets cost $25 per adult and $10 per senior citizen. If total reciepts were $7100, how many senior citizen tickets were sold? \n" ); document.write( "
Algebra.Com's Answer #221840 by rfer(16322)\"\" \"About 
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a+s=494 a=494-s
\n" ); document.write( "25a+10s=7100
\n" ); document.write( "25(494-s)+10s=7100
\n" ); document.write( "12350-25s+10s=7100
\n" ); document.write( "-15s=-5250
\n" ); document.write( "s=350
\n" ); document.write( "350*10=$3500
\n" ); document.write( "494-350=144 adults
\n" ); document.write( "144*25=$3600
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