document.write( "Question 699691: \r
\n" ); document.write( "\n" ); document.write( "adult tickets to a play cost 22$. Childrens Tickets cost $15. Tickets to a group of 11 people cost 228$. write and solve a system of equations to find out how many students and adults went to the play.
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Algebra.Com's Answer #431490 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
A+C=11
\n" ); document.write( "A=11-C
\n" ); document.write( "22A+15C=228
\n" ); document.write( "22(11-C)+15C=228
\n" ); document.write( "242-22C+15C=228
\n" ); document.write( "-7C=228-242
\n" ); document.write( "-7C=-14
\n" ); document.write( "C=-14/-7
\n" ); document.write( "C=2 CHILDREN TICKETS WERE SOLD.
\n" ); document.write( "A=11-2
\n" ); document.write( "A=9 ADULT TICKETS WERE SOLD.
\n" ); document.write( "PROOF:
\n" ); document.write( "22*9+15*2=228
\n" ); document.write( "198+30=228
\n" ); document.write( "228=228
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