document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=588432>Question 588432</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please Help!!!!\r<BR>\n" );
document.write( "\n" );
document.write( "Find the indicated probability. \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "If P(B) = 0.5, P(A or B) = 0.3, and P(A and B) = 0.6. \r<BR>\n" );
document.write( "\n" );
document.write( "P(A) = </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #374499 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=374499\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let P(A) = x\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "P(A or B) = P(A) + P(B) - P(A and B)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "0.3 = x + 0.5 - 0.6\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "0.3 = x - 0.1\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "0.3 + 0.1 = x \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "0.4 = x \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "x = 0.4\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "So P(A) = 0.4 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );