document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=181058>Question 181058</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that you are taking a course that has 4 tests. The first three tests are for 100 points each and the fourth test is for 200 points. To get an B in the course, you must have an average of at least 80 percent on the 4 tests. Your scores on the first 3 tests were 83, 75, and 91. What is the minimum score you need on the fourth test to get an B for the course? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #135711 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=135711\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I'll call the points scored on the tests a, b, c, and d<BR>\n" );
document.write( "Points scored on a, b, and c are:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=83+%2B+75+%2B+91+=+249 ALIGN=MIDDLE  ALT=\"83+%2B+75+%2B+91+=+249\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The total possible points for the 4 tests are<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2A100+%2B+200+=+500 ALIGN=MIDDLE  ALT=\"3%2A100+%2B+200+=+500\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "In order to average <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=80 ALIGN=MIDDLE  ALT=\"80\"   DISABLED_style= \"max-width:90%; height:auto;\" >%,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28249+%2B+d%29%2F500+=+.8 ALIGN=MIDDLE  ALT=\"%28249+%2B+d%29%2F500+=+.8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=249+%2B+d+=+.8%2A500 ALIGN=MIDDLE  ALT=\"249+%2B+d+=+.8%2A500\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+400+-+249 ALIGN=MIDDLE  ALT=\"d+=+400+-+249\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+151 ALIGN=MIDDLE  ALT=\"d+=+151\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You must score 151 points out of 200 to get a B </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );