document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=775499>Question 775499</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I'm in Algebra 2. And ever since I was little I always had problems with story problems. If someone can help me with this problem it would be greatly appreciated! \r<BR>\n" );
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document.write( "The story problems starts as \"Mary has grades of 98, 76, 86, and 92 on four tests. Within what range must her grade on a fifth test fall if she wishes an average between 80 and 90 on all five tests?\"\r<BR>\n" );
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document.write( "I've tried to come up with an equation but I come up with none. I've asked my parents but they were left dumbfounded like me. Again I would appreciate all the help I could get! Thank you!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #472946 by </B><A HREF=/tutors/aboutme.mpl?userid=reviewermath><B>reviewermath(1029)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reviewermath><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=reviewermath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=472946\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Q:<BR>\n" );
document.write( "Mary has grades of 98, 76, 86, and 92 on four tests. Within what range must her grade on a fifth test fall if she wishes an average between 80 and 90 on all five tests?<BR>\n" );
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document.write( "A:<BR>\n" );
document.write( "Let x = Mary's grade on fifth test<BR>\n" );
document.write( "Average = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2898+%2B+76+%2B+86+%2B+92+%2B+x%29%2F5 ALIGN=MIDDLE  ALT=\"%2898+%2B+76+%2B+86+%2B+92+%2B+x%29%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28362+%2B+x%29%2F5 ALIGN=MIDDLE  ALT=\"%28362+%2B+x%29%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=80+%3C=+%28352%2Bx%29%2F5+%3C=+90 ALIGN=MIDDLE  ALT=\"80+%3C=+%28352%2Bx%29%2F5+%3C=+90\"   DISABLED_style= \"max-width:90%; height:auto;\" >, multiply both sides by 5<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=400+%3C=+352%2Bx+%3C=+450 ALIGN=MIDDLE  ALT=\"400+%3C=+352%2Bx+%3C=+450\"   DISABLED_style= \"max-width:90%; height:auto;\" >, subtract both sides by 352<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=400-352+%3C=+x+%3C=+450-352 ALIGN=MIDDLE  ALT=\"400-352+%3C=+x+%3C=+450-352\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=48+%3C=+x+%3C=+98 ALIGN=MIDDLE  ALT=\"48+%3C=+x+%3C=+98\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Answer: between 48 and 98 <BR>\n" );
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