document.write( "Question 1135347: A miniature golf course charges different prices for adults and children. On Saturday, 50 adults and 50 children played, and the golf course earned $800. On Sunday, 65 adults and 75 children played, and the golf course earned $1100. How much does the golf course charge for adults?
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Algebra.Com's Answer #752952 by josgarithmetic(39618)\"\" \"About 
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y, price for adults
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\n" ); document.write( "\n" ); document.write( "\"system%2850x%2B50y=800%2C75x%2B65y=1100%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"system%28x%2By=16%2C15x%2B13y=220%29\"\r
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\n" ); document.write( "\"system%2815x%2B15y=240%2C15x%2B13y=220%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"E1-E2\":
\n" ); document.write( "\"2y=20\"
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