document.write( "Question 1129648: If 129 people attend a concert and tickets for adults cost $3.5 while tickets for children cost $3.25 and total receipts for the concert was $439, how many of each went to the concert?\r
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Algebra.Com's Answer #746237 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "3.50*x + 3.25*(129-x) = 439.\r\n" );
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document.write( "Solve for x, which is the number of adults.\r\n" );
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document.write( "Then evaluate  129-x for the number of children.\r\n" );
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document.write( "ANSWER.  79 adults and 50 children.\r\n" );
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\n" ); document.write( "\n" ); document.write( "It is a standard ticket problem.\r
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\n" ); document.write( "\n" ); document.write( "Read the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Using systems of equations to solve problems on tickets \r
\n" ); document.write( "\n" ); document.write( "    - Three methods for solving standard (typical) problems on tickets\r
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\n" ); document.write( "\n" ); document.write( "From these lessons,  learn on how to solve such problems once for all.\r
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\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic \"Systems of two linear equations in two unknowns\".\r
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