document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=793483>Question 793483</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a light flashes every 2 minutes, a second light flashes every 3.5 minutes, and 3 light flashes every 4 minutes. if all 3 light flash together at 8 pm, what is the next time of the day they will flash together.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #480382 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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/cgi-bin/show-face.mpl?user=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=480382\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In order to sync up with the 3.5 flashes/min light,<BR>\n" );
document.write( "this light must flash an even number of times, so the flashes occur<BR>\n" );
document.write( "7, 14, 21, 28  etc. minutes after 8 PM<BR>\n" );
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document.write( "The flash time of the 3.5/min light must also be a <BR>\n" );
document.write( "multiple of 2/min, and 4/min in order to sync up<BR>\n" );
document.write( "with these 2 lights<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+14%2A2+=+28+ ALIGN=MIDDLE  ALT=\"+14%2A2+=+28+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+7%2A4+=+28+ ALIGN=MIDDLE  ALT=\"+7%2A4+=+28+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+8%2A3.5+=+28+ ALIGN=MIDDLE  ALT=\"+8%2A3.5+=+28+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "So, all the lights will flash together at 8:28 PM\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
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