document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=166271>Question 166271</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Three lighthouses on three nearby islands flash their lights every evening beginning at 8:35pm.  On one island, the ligh flashes every 45 seconds.  The lighthouse on the second island has a light that flashes every 2 minutes.  The third lighthouse flashes a light every 1 1/4 minutes.  At what time will all three lights flash together again?  \r<BR>\n" );
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document.write( "This is a problem of the week just given to my child on a single piece of paper.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #122546 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=122546\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> FACTORING EACH OPF THE TIMES IN MINUTES WE THEN FIND THE LOWEST COMMON DENOMINATOR.<BR>\n" );
document.write( "45=2*2*2*5<BR>\n" );
document.write( "120=2*2*2*3*5<BR>\n" );
document.write( "75=3*5*5<BR>\n" );
document.write( "NOW WE HAVE 2*2*2*3*5*5=600 MINUTES AFTER 8:35 THEY WILL ALL FLASH.<BR>\n" );
document.write( "600MIN.=10 HOURS.<BR>\n" );
document.write( "THUS THE TIME WILL BE 8:35 PM+10:00=6:35 AM.<BR>\n" );
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