document.write( "Question 6301: Problem Solving Using Systems of Equations\r
\n" ); document.write( "\n" ); document.write( "I purchased tickets to an air show for 5 adults and 2 children. The total cost was 162. The cost of a child's ticket was $3 less than the cost of an adult's ticket. Find the price of an adult's ticket and a child's ticket.
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Algebra.Com's Answer #3384 by minerva(22)\"\" \"About 
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cost of 1 adult ticket=xso 5 tickets=5x
\n" ); document.write( "cost of 1 child ticket =x-3 so 2 =2(x-3)
\n" ); document.write( "so,
\n" ); document.write( "2(x-3)+5x=162
\n" ); document.write( "2x-6+5x=162
\n" ); document.write( "7x=162+6
\n" ); document.write( "x=168/7
\n" ); document.write( "x=24
\n" ); document.write( "adult ticket =24
\n" ); document.write( "child ticket=24-3
\n" ); document.write( " =21
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