document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=232881>Question 232881</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A spinner has 1 through 21.What is the probability that the spinner will stop on an even number or a multiple of 3? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #171977 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=171977\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A spinner has 1 through 21.What is the probability that the spinner will stop on an even number or a multiple of 3?<BR>\n" );
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document.write( "Evens: 2,4,6,8...16,18,20<BR>\n" );
document.write( "How many?: 10<BR>\n" );
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document.write( "3 multiples: 3,6,9,12,15,18,21<BR>\n" );
document.write( "How many?: 7<BR>\n" );
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document.write( "Numbers that are both:<BR>\n" );
document.write( "6,12,19<BR>\n" );
document.write( "How many?: 3<BR>\n" );
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document.write( "P(even or 3-mult) = P(even) + P(3-mult) - P(even AND 3-mult)<BR>\n" );
document.write( "P(even or 3-mult) = 10/21 + 7/21 - 3/21 = 14/21 = 2/3<BR>\n" );
document.write( "=================================================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );