document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=905919>Question 905919</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Question 18<BR>\n" );
document.write( "Two apples and one orange together cost 72 cent. One apple and two oranges together costs 63 cent. How much does one orange cost? Enter your answer as a whole number, i.e. no € symbol.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #549505 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=549505\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One question at a time please!<BR>\n" );
document.write( "Two apples and one orange together cost 72 cent. One apple and two oranges together costs 63 cent. How much does one orange cost? Enter your answer as a whole number, i.e. no € symbol.<BR>\n" );
document.write( "2a+1o=72<BR>\n" );
document.write( "1a+2o=63<BR>\n" );
document.write( "multiply #2  by 2<BR>\n" );
document.write( "2a+4o=126<BR>\n" );
document.write( "multiply #1 by -1<BR>\n" );
document.write( "2a+4o=126<BR>\n" );
document.write( "-2a-1o=-72<BR>\n" );
document.write( "add<BR>\n" );
document.write( "3o=54<BR>\n" );
document.write( "o=18<BR>\n" );
document.write( "One orange costs 18 cents\r<BR>\n" );
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