document.write( "Question 213546: There were 115 people who attended the eagle basketball game. Tickets for students sold for $4 each and tickets for non-students sold for $7 each. If the total ticket sales were $553, how many students attended the game? \n" ); document.write( "
Algebra.Com's Answer #161339 by checkley77(12844)\"\" \"About 
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s+ns=115
\n" ); document.write( "s=115-ns
\n" ); document.write( "4s+7ns=553
\n" ); document.write( "4(115-ns)+7ns=553
\n" ); document.write( "460-4ns+7ns=553
\n" ); document.write( "3ns=553-460
\n" ); document.write( "3ns=93
\n" ); document.write( "ns=93/3
\n" ); document.write( "ns=31 non tickets sold.
\n" ); document.write( "115-31=84 student tickets sold.
\n" ); document.write( "Proof:
\n" ); document.write( "4*84+7*31=553
\n" ); document.write( "336+217=553
\n" ); document.write( "553=553
\n" ); document.write( "
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