document.write( "Question 1181309: two groups are visiting a museum the first group includes four adults and 20 students they paid $82 for their tickets the second group includes six adults and 22 students and they play $99 for their tickets what is the cost of an adult ticket what is the cost of a student ticket \n" ); document.write( "
Algebra.Com's Answer #811190 by josgarithmetic(39617)\"\" \"About 
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a, price of adult
\n" ); document.write( "s, price of student
\n" ); document.write( "\"system%284a%2B20s=82%2C6a%2B22s=99%29\"\r
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\n" ); document.write( "\n" ); document.write( "System same as
\n" ); document.write( "\"system%282a%2B10s=41%2C6a%2B22s=99%29\"\r
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\n" ); document.write( "\n" ); document.write( "Multiply first equation by 3:
\n" ); document.write( "\"system%286a%2B30s=123%2C6a%2B22s=99%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"E1-E2\":
\n" ); document.write( "\"8s=24\"
\n" ); document.write( "\"highlight%28s=3%29\"----------student price...
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