document.write( "Question 84481: Write a system of two equations in two unknowns for each problem. Solve each system by substitution.
\n" ); document.write( "Ticket sales. Tickets for a concert were sold to adults for $3 and to students for $2. If the total receipts were $824 and twice as many adult tickets were sold , then how many of each were sold?
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Algebra.Com's Answer #60880 by checkley75(3666)\"\" \"About 
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3*2S+2*S=824
\n" ); document.write( "6S+2S=824
\n" ); document.write( "8S=824
\n" ); document.write( "S=824/8
\n" ); document.write( "S=103 NUMBER OF STUDENT TICKETS SOLD.
\n" ); document.write( "PROOF
\n" ); document.write( "2*103=206 ADULT TICKETS SOLD.
\n" ); document.write( "PROOF
\n" ); document.write( "3*206+2*103=824
\n" ); document.write( "618+206=824
\n" ); document.write( "824=824
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