document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=104432>Question 104432</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The width of hotographis 4 centimeters more that three tenths of the length. If the width is 13 cm, find the length.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #76032 by </B><A HREF=/tutors/aboutme.mpl?userid=stormy><B>stormy(4)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stormy><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=76032\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I'm assuming you mean \"The width of a photograph is...\"\r<BR>\n" );
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document.write( "Let W = the width and L = the length, both in centimeters.\r<BR>\n" );
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document.write( "The width is: \" w = \"<BR>\n" );
document.write( "Four cm more than: \" 4 + \"<BR>\n" );
document.write( "Three-tenths of the length: \" 0.3 * L \"\r<BR>\n" );
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document.write( "Now simply put it all together:\r<BR>\n" );
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document.write( "w = 4 + 0.3 * L\r<BR>\n" );
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document.write( "Substitute 13 for the width, and solve for L:\r<BR>\n" );
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document.write( "13 = 4 + 0.3 * L<BR>\n" );
document.write( "13 - 4 = 0.3 * L<BR>\n" );
document.write( "9 = 0.3 * L<BR>\n" );
document.write( "9 / 0.3 = L<BR>\n" );
document.write( "L = 30 cm\r<BR>\n" );
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document.write( "To check the solution, go back to the original problem.  Three tenths the length is:\r<BR>\n" );
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document.write( "0.3 * 30 = 9\r<BR>\n" );
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document.write( "Four centimeters more than this amount is:\r<BR>\n" );
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document.write( "9 + 4 = 13 cm\r<BR>\n" );
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document.write( "This is the width given in the problem, so our answer is correct.\r<BR>\n" );
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