document.write( "Question 254369: 10 adults and 5 children can watch a movie for 150 dollars. But 8 adults and 10 children can watch the movie for 156 dollars. How much would it cost for 6 adults and 10 children to watch the movie? \r
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Algebra.Com's Answer #186722 by richwmiller(17219)\"\" \"About 
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10a+5c=150
\n" ); document.write( "8a+10c=156
\n" ); document.write( "a=12
\n" ); document.write( "c=6
\n" ); document.write( "6a+10c=
\n" ); document.write( "6*12+10*6=72+60=132
\n" ); document.write( "we could also have taken
\n" ); document.write( "8a+10c=156
\n" ); document.write( "2a=24
\n" ); document.write( "156-24=132
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