document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=135261>Question 135261</A>: <I><SPAN STYLE=\"word-break: break-all;\"> USE A PROPORTION TO SOLVE THE PROBLEM ABOUT DIRECT VARIATION.<BR>\n" );
document.write( "A person's hair length varies directly with the number of weeks it has been growing. If Fred shaved his head bald and his hair was 0.15 inches long after 5 weeks, how long would it be afteran additional 4 weeks? Round to the nearest hundredth of an inch. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #99079 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=99079\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A person's hair length varies directly with the number of weeks it has been growing. If Fred shaved his head bald and his hair was 0.15 inches long after 5 weeks, how long would it be after an additional 4 weeks? Round to the nearest hundredth of an inch.<BR>\n" );
document.write( "---------------------------------<BR>\n" );
document.write( "length = k*weeks<BR>\n" );
document.write( "0.15 = k*5<BR>\n" );
document.write( "k = 0.03<BR>\n" );
document.write( "length = 0.03*weeks<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "length = 0.03*10<BR>\n" );
document.write( "length = 0.3 inches<BR>\n" );
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document.write( "OR, using proportions:<BR>\n" );
document.write( "x/10 = 0.15/5<BR>\n" );
document.write( "x = 10(0.15/5)<BR>\n" );
document.write( "x = 1.5/5 = 0.3 inches<BR>\n" );
document.write( "========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );