document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=986450>Question 986450</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Simon scored 94, 82, and 97 on his first three tests in Algerbra 2. What grade must he make on the fourth test to keep an average of 90 or greater?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "I can get the answer by just trying random numbers but I dont know how to do it correctly. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #607196 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=607196\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = score on fourth test\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Add up the four test scores and divide by 4 to get the average. We want the average to be 90 or larger, so\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2894%2B82%2B97%2Bx%29%2F4+%3E=+90 ALIGN=MIDDLE  ALT=\"%2894%2B82%2B97%2Bx%29%2F4+%3E=+90\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28273%2Bx%29%2F4+%3E=+90 ALIGN=MIDDLE  ALT=\"%28273%2Bx%29%2F4+%3E=+90\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%2A%28273%2Bx%29%2F4+%3E=+4%2A90 ALIGN=MIDDLE  ALT=\"4%2A%28273%2Bx%29%2F4+%3E=+4%2A90\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=273%2Bx+%3E=+360 ALIGN=MIDDLE  ALT=\"273%2Bx+%3E=+360\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=273%2Bx-273+%3E=+360-273 ALIGN=MIDDLE  ALT=\"273%2Bx-273+%3E=+360-273\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%3E=+87 ALIGN=MIDDLE  ALT=\"x+%3E=+87\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "So Simon must make an <font color=\"red\">87</font> or better to ensure his average is 90 or better.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "-------------------------------------------------------\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "If you need more help, or if you have any questions about the problem, feel free to email me at <font color=\"blue\"><code>jim_thompson5910@hotmail.com</code></font> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );