document.write( "Question 738828: Middle school earns $1,760 by selling 400 tickets to the school play.tickets cost $5 for adults and $3 for students. How many adult tickets were sold ? \n" ); document.write( "
Algebra.Com's Answer #450924 by richwmiller(17219)\"\" \"About 
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a+s=400,
\n" ); document.write( "5a+3s=1760
\n" ); document.write( "a = 280, s = 120
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