document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=887521>Question 887521</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sandy’s first four test scores this term are 73, 87, 81, and 76. To have at least a B <BR>\n" );
document.write( "test grade, Sandy needs to average at least 80 on the five term tests (which count <BR>\n" );
document.write( "equally). Let t represent Sandy’s score on the fifth test, and write an inequality that <BR>\n" );
document.write( "describes the range of t-values that will meet Sandy’s goal. <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 #536764 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=536764\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the formula you need is:\r<BR>\n" );
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document.write( "(73 + 87 + 81 + 76 + t) / 5 >= 80\r<BR>\n" );
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document.write( "multiply both sides of this equation by 5 to get:\r<BR>\n" );
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document.write( "(73 + 87 + 81 + 76 + t >= 400\r<BR>\n" );
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document.write( "simplify to get:\r<BR>\n" );
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document.write( "317 + t >= 400\r<BR>\n" );
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document.write( "subtract 317 from both sides of this equation to get:\r<BR>\n" );
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document.write( "t >= 83\r<BR>\n" );
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document.write( "she has to get at least an 83 on the last test.\r<BR>\n" );
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document.write( "the range of values she can get are 83 <= t <= 100\r<BR>\n" );
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document.write( "100 is the upper limit because it is impossible to get more than that on any test unless they give extra credit.\r<BR>\n" );
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document.write( "extra credit to make a test score greater than 100 is not assumed.\r<BR>\n" );
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document.write( "the general equation for graphing is:\r<BR>\n" );
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document.write( "y = (317 + x) / 5\r<BR>\n" );
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document.write( "graph this equation and place a vertical line at x = 83 and x = 100 and the value of y between those vertical lines is the range of possible averages you will be able to get.\r<BR>\n" );
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document.write( "the graph is shown below:<BR>\n" );
document.write( "your average will be a minimum of 80 and a maximum of 83.4.<BR>\n" );
document.write( "the range of t values is betwee 83 and 100 inclusive.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src = \"http://theo.x10hosting.com/2014/071601.jpg\" alt=\"$$$\" </>\r<BR>\n" );
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