document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1036106>Question 1036106</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Your textbook says that the focal length f of a lens is given by the lensmaker's formula 1/f=.06 (1/r1+1/r2) where r1 and r2 are the radii of the two circular surfaces. If those radii are 4 and 6 respectively, find f.\r<BR>\n" );
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document.write( "A. 1/4<BR>\n" );
document.write( "B. 16.67<BR>\n" );
document.write( "C. 3/25<BR>\n" );
document.write( "D. 4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #650745 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=650745\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I'm assuming the .06 is supposed to be 0.6\r<BR>\n" );
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document.write( "The final answer is D) 4 </SPAN>\n" );
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