document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=176246>Question 176246</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0821516787/algebrahomeworkh>New Progress in Mathematics</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Professor Tsing meets five classes each day. One has 26 students, another has 33, and a fourth has 28 students. If this represents 78% of the students in her classes, what is the total number of students she teaches? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #131340 by </B><A HREF=/tutors/aboutme.mpl?userid=agosset><B>agosset(4)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=agosset><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=131340\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First we add all known classes:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=26%2B33%2B28=87 ALIGN=MIDDLE  ALT=\"26%2B33%2B28=87\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This 87 represents 78% of all students\r<BR>\n" );
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document.write( "We want to find x that represents 100% of all students\r<BR>\n" );
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document.write( "We can write this relationship as:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=87%2F78+=+x%2F100 ALIGN=MIDDLE  ALT=\"87%2F78+=+x%2F100\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "We convert percentages to decimal values:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=87%2F0.78+=+x%2F1 ALIGN=MIDDLE  ALT=\"87%2F0.78+=+x%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=111.5 ALIGN=MIDDLE  ALT=\"x=111.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Number of total students = 112\r<BR>\n" );
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document.write( " </SPAN>\n" );
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