document.write( "Question 948600: adult tickets to the museum cost 5 dollars while student tickets cost 3 dollars. If 120 tickets were sold for a total of 500 dollars, how many of each were sold \n" ); document.write( "
Algebra.Com's Answer #579026 by macston(5194)\"\" \"About 
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adult tickets to the museum cost 5 dollars while student tickets cost 3 dollars. If 120 tickets were sold for a total of 500 dollars, how many of each were sold
\n" ); document.write( "A=number of adult tickets; S=number of student tickets
\n" ); document.write( "A+S=120 Solve this for A and substitute in next equation.
\n" ); document.write( "A=120-S
\n" ); document.write( "$5A+$3S=$500
\n" ); document.write( "$5(120-S)+$3S=$500
\n" ); document.write( "$600-$5S+$3S=$500 Subtract $500 from each side.
\n" ); document.write( "$100-$2S=0 Add $2S to each side.
\n" ); document.write( "$100=$2S Divide each side by $2.
\n" ); document.write( "50=S There were 50 student tickets sold.
\n" ); document.write( "A+S=120
\n" ); document.write( "A+50=120 Subtract 50 from each side.
\n" ); document.write( "A=70 ANSWER 2: There were 70 adult tickets sold.
\n" ); document.write( "CHECK
\n" ); document.write( "$5A+$3S=$500
\n" ); document.write( "$5(70)+$3(50)=$500
\n" ); document.write( "$350+$150=$500
\n" ); document.write( "$500=$500
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