document.write( "Question 1179258: On
\n" ); document.write( " the first day, Cindy sells 6 adult tickets and 5 children's tickets for a total of 112.50. on the second day, she sells 8 adult tickets and 4 children's tickets for a total of 130.00
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Algebra.Com's Answer #808773 by MathLover1(20849)\"\" \"About 
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\r
\n" ); document.write( "\n" ); document.write( "let the price of adult tickets be \"x\" and the price of children's tickets \"y\"\r
\n" ); document.write( "\n" ); document.write( "if on the first day, Cindy sells \"6\" adult tickets and \"5\" children's tickets for a total of \"112.50\", we have\r
\n" ); document.write( "\n" ); document.write( "\"6x%2B5y=112.50\".....solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"6x=112.50-5y\"\r
\n" ); document.write( "\n" ); document.write( "\"x=112.50%2F6-5y%2F6\"\r
\n" ); document.write( "\n" ); document.write( " \"x=18.75-5y%2F6\"...........eq.1\r
\n" ); document.write( "\n" ); document.write( "if on the second day, she sells \"8\" adult tickets and \"4\" children's tickets for a total of \"130.00\", we have\r
\n" ); document.write( "\n" ); document.write( "\"8x%2B4y=130.00\".....solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"8x=130.00-4y\"\r
\n" ); document.write( "\n" ); document.write( "\"x=130.00%2F8-4y%2F8\"
\n" ); document.write( "\"x=16.25-0.5y\"...........eq.2\r
\n" ); document.write( "\n" ); document.write( "from eq.1 and eq.2 we have\r
\n" ); document.write( "\n" ); document.write( "\"18.75-5y%2F6=16.25-0.5y\"\r
\n" ); document.write( "\n" ); document.write( "\"18.75-16.25=5y%2F6-0.5y\"\r
\n" ); document.write( "\n" ); document.write( "\"2.5=2y%2F6\"\r
\n" ); document.write( "\n" ); document.write( "\"2.5%2A6=2y\"\r
\n" ); document.write( "\n" ); document.write( "\"%282.5%2A6%29%2F2=y\"\r
\n" ); document.write( "\n" ); document.write( "\"2.5%2A3=y\"\r
\n" ); document.write( "\n" ); document.write( "\"7.5=y\"\r
\n" ); document.write( "\n" ); document.write( "go to\r
\n" ); document.write( "\n" ); document.write( "\"x=16.25-0.5y\"...........eq.2, substitute \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"x=16.25-0.5%2A7.5\"\r
\n" ); document.write( "\n" ); document.write( "\"x=12.5\"\r
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\n" ); document.write( "\n" ); document.write( "the price of adult tickets is \"12.5\" and the price of children's tickets \"7.5\"\r
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