document.write( "Question 720940: Adult tickets for a game cost $6 each and student tickets cost $3 each. A total of 1040 tickets worth $5400 were sold. How many student tickets were sold? (Chart would help number x price = cost) \n" ); document.write( "
Algebra.Com's Answer #442076 by checkley79(3341)\"\" \"About 
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A+C=1,040
\n" ); document.write( "A=1,040-C
\n" ); document.write( "NOW REPLACE A IN THE FOLOWING EQUATION & SOLVE FOR C.
\n" ); document.write( "6A+3C=5,400
\n" ); document.write( "6(1,040-C)+3C=5,400
\n" ); document.write( "6,240-6C+3C=5,400
\n" ); document.write( "-3C=5,400-6,240
\n" ); document.write( "-3C=-840
\n" ); document.write( "C=-840/-3
\n" ); document.write( "C=280 CHILDREN TICKETS WERE SOLD.
\n" ); document.write( "A+280=1,040
\n" ); document.write( "A=1,040-280
\n" ); document.write( "A=760 ADULT TICKETS WERE SOLD.
\n" ); document.write( "PROOF:
\n" ); document.write( "6*760+3*280=5,400
\n" ); document.write( "4,560+840=5,400
\n" ); document.write( "5,400=5,400
\n" ); document.write( "
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