document.write( "Question 709153: \r
\n" ); document.write( "\n" ); document.write( "If tickets for a show cost $4.00 for adults and $1.50 for children, how many of each kind of ticket were sold if a total of 320 tickets were sold for $930?
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Algebra.Com's Answer #436432 by checkley79(3341)\"\" \"About 
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A+C=320
\n" ); document.write( "A=320-C
\n" ); document.write( "4A+1.5C=930
\n" ); document.write( "4(320-C)+1.5C=930
\n" ); document.write( "1280-4C+1.5C=930
\n" ); document.write( "-2.5C=930-1280
\n" ); document.write( "-2.5C=-350
\n" ); document.write( "C=-350/-2.5
\n" ); document.write( "C=140 CHILDREN TICKETS WERE SOLD.
\n" ); document.write( "A+140=320
\n" ); document.write( "A=320-140
\n" ); document.write( "A=180 ADULT TICKETS WERE SOLD.
\n" ); document.write( "PROOF:
\n" ); document.write( "4*180+140*1.5=930
\n" ); document.write( "720+210=930
\n" ); document.write( "930=930
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