document.write( "Question 751364: An amusement park charges one admission price for adults and another admission price for children under 12. The Smoke family has two adults and three children under 12. The cost for their admission to the amusement park is $80. The Chalmers family has three adults and one child under 12. Their total admission cost is $99. What is the admission price for an adult and the admission price for a child? \n" ); document.write( "
Algebra.Com's Answer #457139 by josgarithmetic(39618)\"\" \"About 
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Adult price, a.
\n" ); document.write( "Child price, c.\r
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\n" ); document.write( "\n" ); document.write( "The Smoke family
\n" ); document.write( "2a+3c=80\r
\n" ); document.write( "\n" ); document.write( "The Chalmers family
\n" ); document.write( "3a+1*c=99\r
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\n" ); document.write( "\n" ); document.write( "System of Equations:
\n" ); document.write( "\"2a%2B3c=80\"
\n" ); document.write( "\"3a%2Bc=99\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(2 3 80)
\n" ); document.write( "(3 1 99)\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "(2 3 80)
\n" ); document.write( "(9 3 297)\r
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\n" ); document.write( "\n" ); document.write( "(9 3 297)
\n" ); document.write( "(2 3 80)\r
\n" ); document.write( "\n" ); document.write( "Subtract second line from the first line: (7 0 217) meaning 7a=217
\n" ); document.write( "\"highlight%28a=31%29\".\r
\n" ); document.write( "\n" ); document.write( "You can either original equation to find c.
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