document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=522324>Question 522324</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use an algebraic approach to solve the problem. (Objective 2)\r<BR>\n" );
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document.write( "Aura took three biology exams and has an average score of 87. Her second exam score was 7 points better than her first, and her third exam score was 4 points better than her second exam. What were her three exam scores?<BR>\n" );
document.write( " 	  (lowest score)<BR>\n" );
document.write( " 	<BR>\n" );
document.write( " 	  (highest score)<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 #347093 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=347093\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Aura took three biology exams and has an average score of 87.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28a+%2B+b+%2B+c%29%2F3 ALIGN=MIDDLE  ALT=\"%28a+%2B+b+%2B+c%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 87<BR>\n" );
document.write( "a + b + c = 3(87)<BR>\n" );
document.write( "a + b + c = 261 <BR>\n" );
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document.write( " Her second exam score was 7 points better than her first,<BR>\n" );
document.write( "b = a+7<BR>\n" );
document.write( "or<BR>\n" );
document.write( "a = b-7<BR>\n" );
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document.write( " and her third exam score was 4 points better than her second exam.<BR>\n" );
document.write( "c = b+4<BR>\n" );
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document.write( "a + b + c = 261 <BR>\n" );
document.write( "Replace a and c<BR>\n" );
document.write( "(b-7) + b + (b+4) = 261<BR>\n" );
document.write( "3b - 3 = 261<BR>\n" );
document.write( "3b = 261 + 3<BR>\n" );
document.write( "3b = 264<BR>\n" );
document.write( "b = 264/3<BR>\n" );
document.write( "b = 88<BR>\n" );
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document.write( "You should be able to find a and c now\r<BR>\n" );
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document.write( " What were her three exam scores?<BR>\n" );
document.write( "(lowest score) </SPAN>\n" );
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