document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=168242>Question 168242</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The speed of a wave varies jointly with the wavelength and the frequency of the wave.  If the speed of a wave is 20 feet per second, its wavelength is 50 feet and its frequency is 0.4 waves per second.  What is the speed of a wave whose wavelength is 1 foot and whose frequency is 8 waves per second? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124001 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=124001\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> formula would read speed of the wave= constant(wavelength)(frequency)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%5Bs%5D=k%28w%29%28f%29 ALIGN=MIDDLE  ALT=\"w%5Bs%5D=k%28w%29%28f%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%5Bs%5D ALIGN=MIDDLE  ALT=\"w%5Bs%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the speed of the wave.  w is the wave length<BR>\n" );
document.write( "....................and f is the frequency\r<BR>\n" );
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document.write( "20=k(50)(.4)<BR>\n" );
document.write( "20=20k<BR>\n" );
document.write( "k=1\r<BR>\n" );
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document.write( "so  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%5Bs%5D=%281%29%281%29%288%29 ALIGN=MIDDLE  ALT=\"w%5Bs%5D=%281%29%281%29%288%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28w%5Bs%5D=8%29 ALIGN=MIDDLE  ALT=\"highlight%28w%5Bs%5D=8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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