document.write( "Question 604224: At the Golden Oldies Theater, tickets for adults cost $5.50 and tickets for children cost $3.50. How many of each kind of tickets were purchased if 21 tickets were bought for $83.50? \n" ); document.write( "
Algebra.Com's Answer #381035 by flame8855(424)\"\" \"About 
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let c be the number of children ticket
\n" ); document.write( "let a be the number of adult ticket
\n" ); document.write( "a+c = 21
\n" ); document.write( "5.5a + 3.5c =21
\n" ); document.write( "a = 5
\n" ); document.write( "c = 16
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