document.write( "Question 983390: The circus is coming to town. Sue is selling tickets. The first day she sold 4 senior citizen tickets and 2 children's tickets for a total of $80. The second day she received $145 for 5 senior citizen tickets and 7 children's tickets. What is the price of a child's ticket and a senior citizen ticket?\r
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Algebra.Com's Answer #604165 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
x, child price
\n" ); document.write( "y, senior price
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\n" ); document.write( "\"PRICE%2AQUANTIY=COST\"\r
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\n" ); document.write( "\n" ); document.write( "Cost and revenue mean the same for purposes of the question (this one; not any in general).\r
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\n" ); document.write( "\n" ); document.write( "Day 1
\n" ); document.write( "\"2x%2B4y=80\" which simplified becomes \"x%2B2y=40\".\r
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\n" ); document.write( "\n" ); document.write( "Day 2
\n" ); document.write( "\"7x%2B5y=145\"\r
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\n" ); document.write( "\n" ); document.write( "The system to solve:
\n" ); document.write( "\"system%28x%2B2y=40%2C7x%2B5y=145%29\"\r
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\n" ); document.write( "\n" ); document.write( "---
\n" ); document.write( "y=15
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