document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=746660>Question 746660</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A cage of lab mice contains 10 healthy mice and some infected mice infected with a deadly virus. One mouse is selected at random and the probability that it is infected is 7/12 . The number of sick mice is:<BR>\n" );
document.write( "Can you show me how to come up with the answer.\r<BR>\n" );
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document.write( "Answer<BR>\n" );
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document.write( "a) 6<BR>\n" );
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document.write( "b) 14<BR>\n" );
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document.write( "c)  Cannot be determined from the given information.<BR>\n" );
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document.write( "d)  2<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 #454460 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=454460\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The probability  is made up of the number <BR>\n" );
document.write( "of mice infected/total number of mice.<BR>\n" );
document.write( "The fraction 7/12 implies the total<BR>\n" );
document.write( "mice = 12 but the numerator 7 does not<BR>\n" );
document.write( "work.<BR>\n" );
document.write( "So we assume the fraction has been simplified<BR>\n" );
document.write( "If we double 7 = 14<BR>\n" );
document.write( "this gives us 14/ 10 + 14 = 14/24 which simplifies<BR>\n" );
document.write( "down to 7/12 which is whatwe require.<BR>\n" );
document.write( "The correct answer therefore is b) 14 </SPAN>\n" );
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