document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=394613>Question 394613</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The final grade for a particular course is calculated by dividing total points earned by total points available.  There are 120 points available in the first half of the course, and 140 points in the second half of the course.  If a student earns 81% in the first half of the course, how many points must the student earn in the second half in order to earn an 80% B final grade?\r<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 #280293 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=280293\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The final grade for a particular course is calculated by dividing total points earned by total points available.<BR>\n" );
document.write( " There are 120 points available in the first half of the course, and 140 points in the second half of the course. <BR>\n" );
document.write( "If a student earns 81% in the first half of the course, how many points must<BR>\n" );
document.write( " the student earn in the second half in order to earn an 80% B final grade? <BR>\n" );
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document.write( "Let x = no. of points required in the 2nd half<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.81+%2B+%28x%2F140%29%29%2F2 ALIGN=MIDDLE  ALT=\"%28.81+%2B+%28x%2F140%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = .80<BR>\n" );
document.write( "multiply both sides by 2<BR>\n" );
document.write( ".81 + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F140 ALIGN=MIDDLE  ALT=\"x%2F140\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 2(.80)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F140 ALIGN=MIDDLE  ALT=\"x%2F140\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1.60 - .81<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F140 ALIGN=MIDDLE  ALT=\"x%2F140\"   DISABLED_style= \"max-width:90%; height:auto;\" > = .79<BR>\n" );
document.write( "x = 140 * .79<BR>\n" );
document.write( "x = 110.6 ~ 111 points in the second half<BR>\n" );
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