document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=313150>Question 313150</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A filing cabinet contains 200 standard files. When 50 files have been stored in the cabinet, what percent of the filing cabinet is being used? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #223916 by </B><A HREF=/tutors/aboutme.mpl?userid=OmniMaestra><B>OmniMaestra(21)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=OmniMaestra><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=OmniMaestra><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=223916\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Percentage problems can usually be set up as a proportion. A proportion is two equal ratios\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=part%2Fwhole=percent%2F100 ALIGN=MIDDLE  ALT=\"part%2Fwhole=percent%2F100\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so set the problem up, the part is 50, the whole is 200:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50%2F200=x%2F100 ALIGN=MIDDLE  ALT=\"50%2F200=x%2F100\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "cross-multiply:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50%2A100+=+200x ALIGN=MIDDLE  ALT=\"50%2A100+=+200x\"   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=5000+=+200x ALIGN=MIDDLE  ALT=\"5000+=+200x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "divide by 200:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5000%2F200=200x%2F200 ALIGN=MIDDLE  ALT=\"5000%2F200=200x%2F200\"   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=25=x ALIGN=MIDDLE  ALT=\"25=x\"   DISABLED_style= \"max-width:90%; height:auto;\" > so the answer is 25% </SPAN>\n" );
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