document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=715075>Question 715075</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "a vending machine has 12oz drinks and 16oz drinks. The 12oz drinks cost $.50 cents and the 16oz drinks cost 1 dollar. If 3600 drinks were sold in one month and total sales were $2225, how many of each size drink was sold? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #439236 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=439236\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> X+Y=3,600<BR>\n" );
document.write( "X=3,600-Y<BR>\n" );
document.write( ".50X+1Y=2,225<BR>\n" );
document.write( ".50(3,600-Y)+Y=2,225<BR>\n" );
document.write( "1,800-.50Y+Y=2,225<BR>\n" );
document.write( ".50Y=2,225-1,800<BR>\n" );
document.write( ".50Y=425<BR>\n" );
document.write( "Y=425/.5<BR>\n" );
document.write( "Y=850 $1.00 BOTTLES WERE SOLD.<BR>\n" );
document.write( "X=3,600-850=2,750 $.50 BOTTLES WERE SOLD.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".50*2,750+1*850<BR>\n" );
document.write( "1,375+850=2,225<BR>\n" );
document.write( "2,225=2,225 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );