document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=277508>Question 277508</A>: <I><SPAN STYLE=\"word-break: break-all;\"> From a group of 100 students, 30 are taking math, 20 are taking chemistry, and of those totals 10 are taking both math and chemistry.What is the probability that a randomly selected student is taking math or chemistry? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #202050 by </B><A HREF=/tutors/aboutme.mpl?userid=CharlesG2><B>CharlesG2(834)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CharlesG2><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=202050\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> From a group of 100 students, 30 are taking math, 20 are taking chemistry, and of those totals 10 are taking both math and chemistry.What is the probability that a randomly selected student is taking math or chemistry?\r<BR>\n" );
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document.write( "my guess is the set of Math plus the set of Chemistry equals 50 students, the 2 sets intersect with 10 in each group, leaving 10 in the not interected portion of Chemistry and 20 in the not intersected portion of Math, that is a total of 30 in the not intersected portions of each group\r<BR>\n" );
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document.write( "(I drew 2 circles that intersected, one for Math and one for Chemistry.)\r<BR>\n" );
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document.write( "if I am right then 30/100 or 30% are taking Math or Chemistry and not both.\r<BR>\n" );
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document.write( "please let me know if I am wrong or if you have a better way of figuring this out<BR>\n" );
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