document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=113660>Question 113660</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for the unknown\r<BR>\n" );
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document.write( "2/3/10 = 1.8/r\r<BR>\n" );
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document.write( "Please note the 2 , 3 and 10 are on top of eachother and the 1.8 is on top of the little r. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #82711 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=82711\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve for the unknown <BR>\n" );
document.write( "2/3/10 = 1.8/r <BR>\n" );
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document.write( "2/30 = 1.8/r<BR>\n" );
document.write( "Invert both sides to get:<BR>\n" );
document.write( "r/1.8 = 30/2<BR>\n" );
document.write( "r = 1.8*15<BR>\n" );
document.write( "r = 27<BR>\n" );
document.write( "=========<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );