document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=572227>Question 572227</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A student's pencil case contains 4 pencils, 5 blue pens and 3 red pens. The student reaches in to randomly select something to write with. What is the probability that the student selected a blue or red pen? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #368344 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=368344\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P(Blue or Red pen) = P(Blue pen) + P(Red pen)\r<BR>\n" );
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document.write( "P(Blue or Red pen) = (# of blue pens)/(# total) + (# of red pens)/(# total) \r<BR>\n" );
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document.write( "P(Blue or Red pen) = (5)/(4+5+3) + (3)/(4+5+3) \r<BR>\n" );
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document.write( "P(Blue or Red pen) = 5/12 + 3/12\r<BR>\n" );
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document.write( "P(Blue or Red pen) = 8/12\r<BR>\n" );
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document.write( "P(Blue or Red pen) = 2/3 </SPAN>\n" );
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