document.write( "Question 450605: The Union Square Cinema charges $9 for an adult ticket and $4 for a child’s ticket. Last Saturday, the entire 1020 seat cinema was sold out. The total ticket receipts for the evening were $7680. How many of each type ticket were sold? \n" ); document.write( "
Algebra.Com's Answer #309925 by rwm(914)\"\" \"About 
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9a+4c=7680
\n" ); document.write( "a+c=1020
\n" ); document.write( "a=720
\n" ); document.write( "c=300\r
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