document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=916686>Question 916686</A>: <I><SPAN STYLE=\"word-break: break-all;\"> JON wants a grade of 80% in Science. He currently has two test scores. If his scores are 85% and 70%, what does he need to earn on the last test? Assume there are no other grades.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #556213 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=556213\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = score as a percentage on last test\r<BR>\n" );
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document.write( "(85% + 70% + x)/3 = 80%\r<BR>\n" );
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document.write( "85% + 70% + x = 3*80%\r<BR>\n" );
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document.write( "85% + 70% + x = 240%\r<BR>\n" );
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document.write( "155% + x = 240%\r<BR>\n" );
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document.write( "x = 240% - 155%\r<BR>\n" );
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document.write( "x = <font size=5 color=\"red\">85%</font>\r<BR>\n" );
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document.write( "He needs a <font size=5 color=\"red\">85%</font> on the last test.\r<BR>\n" );
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document.write( "Let me know if you need more help or if you need me to explain a step in more detail.<BR>\n" );
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document.write( "Thanks,\r<BR>\n" );
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document.write( "Jim  </SPAN>\n" );
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