document.write( "Question 907552: Tammy is selling tickets for the school jazz band concert. Adult tickets cost $5, and student tickets cost $3. If Tammy sells a total of 170 tickets and collects $650, how many of each kind of ticket did she sell?
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Algebra.Com's Answer #550437 by richwmiller(17219)\"\" \"About 
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x+y=170,
\n" ); document.write( "5*x+3*y=650
\n" ); document.write( "x=170-y
\n" ); document.write( "5*(170-y)+3*y=650
\n" ); document.write( "850-5y+3*y=650
\n" ); document.write( "-2*y=-200
\n" ); document.write( "y=100
\n" ); document.write( "x=170-y
\n" ); document.write( "x=70 at 5 and y=100 at 3
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\n" ); document.write( "70+100=170
\n" ); document.write( "5*x+3*y=650
\n" ); document.write( "5*70+3*100=650
\n" ); document.write( "350+300=650
\n" ); document.write( "650=650
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