document.write( "Question 33990: At a concert, orchestra seats sell for $15 each and balcony seats sell for $10 each. If 324 orchestra seats were sold and the box office collected $ 7540, how many balcony seats were sold? \n" ); document.write( "
Algebra.Com's Answer #20380 by fanism(39)\"\" \"About 
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let x = # of balcony sold
\n" ); document.write( "therefore,
\n" ); document.write( "15(324) + 10x = 7540
\n" ); document.write( "4860 + 10x = 7540
\n" ); document.write( "10x = 2680
\n" ); document.write( "x = 268\r
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