document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=875844>Question 875844</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me. I got 42% in my lab report which is worth 30%. I got 50% in my second lab report which is also worth 30%. What do i need in my exam which is worth 40% to achieve a overall of 60%? Many thanks please reply it's important. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #528433 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=528433\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the score on your final exam will be found by using the following equation.\r<BR>\n" );
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document.write( ".30 * 42 + .30 * 50 + .40 * x = 60\r<BR>\n" );
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document.write( "simplify this equation to get:\r<BR>\n" );
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document.write( "12.6 + 15 + .40 * x = 60\r<BR>\n" );
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document.write( "subtract 12.6 and 15 from both sides of this equation to get:\r<BR>\n" );
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document.write( ".40 * x = 60 - 12.6 - 15\r<BR>\n" );
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document.write( "simplify to get:\r<BR>\n" );
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document.write( ".40 * x = 32.4\r<BR>\n" );
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document.write( "divide both sides of this equation by .40 to get:\r<BR>\n" );
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document.write( "x = 32.4 / .40 which becomes:\r<BR>\n" );
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document.write( "x = 81\r<BR>\n" );
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document.write( "you need an 81 on final exam in order to get an overall grade of 60% from your grades.\r<BR>\n" );
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document.write( ".30 * 42 + .30 * .5 + .40 * 81 = 12.6 + 15 + 32.4 = 60\r<BR>\n" );
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document.write( "your answer is confirmed as good.\r<BR>\n" );
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document.write( "you need an 81 on your final exam.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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