document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1127797>Question 1127797</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You have a string of blinking lights. The blue lights blink every 5 seconds and the red lights blink every 3 seconds. How many times will the lights blink at the same time in one minute. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #744341 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=744341\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Numbers divisible by 5 are those ending in 5 and 0. Thus, they will blink together every time a multiple of 3 is 5 or 0:<BR>\n" );
document.write( ":<BR>\n" );
document.write( "3,6,9,12,(15),18,21,24,27,(30),33,36,39,42,(45), 48, 51, 54, 57, (60)<BR>\n" );
document.write( "You can count the times, I put them in parenthesis.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );