document.write( "Question 171390: A movie theater sells tickets for $7.00 each. Senior citizens receive a discount of $2.00. One evening the theater sold 400 tickets and took in $2600.00 in revenue. How many tickets were sold to senior citizens? How many were sold to non-senior citizens?
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Algebra.Com's Answer #126535 by Mathtut(3670)\"\" \"About 
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let the number of tickets sold to non seniors and seniors , be n and s respectively
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\n" ); document.write( "n+s=400.........eq 1
\n" ); document.write( "7n+5s=2600......eq 2
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\n" ); document.write( "lets rewrite eq 1 to s=400-n and place that value into eq 2.
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\n" ); document.write( "\"7n%2B5%28400-n%29=2600\"
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\n" ); document.write( "\"7n%2B2000-5n=2600\" distribution
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\n" ); document.write( "\"2n=600\"combining terms
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\n" ); document.write( "\"highlight%28n=300%29\"number of non senior ticket sold
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