document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=104691>Question 104691</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Including 8% sales tax, a bed-and-breakfast inn charges $172.80 per night Find the inn's nightly cost before the tax is added.\r<BR>\n" );
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document.write( "I tried and tried </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #76195 by </B><A HREF=/tutors/aboutme.mpl?userid=mathnard><B>mathnard(10)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mathnard><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=76195\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Take a look at the problem.  Doesn't the amount $172.80 includes 100% of the cost of a room, plus another 8% of the cost?  This means that the $172.80 is actually 108% of the original cost.  The word OF means multiply.\r<BR>\n" );
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document.write( "108% OF the original cost is equal to $172.80<BR>\n" );
document.write( "* * * Remember that 108% means 108 out of 100 or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=108%2F100 ALIGN=MIDDLE  ALT=\"108%2F100\"   DISABLED_style= \"max-width:90%; height:auto;\" > * * *\r<BR>\n" );
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document.write( "so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28108%2F100%29%2Ax=172.80 ALIGN=MIDDLE  ALT=\"%28108%2F100%29%2Ax=172.80\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now let's solve this equation.  <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28108%2F100%29%2Ax=172.80 ALIGN=MIDDLE  ALT=\"%28108%2F100%29%2Ax=172.80\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "divide the 108 by 100 to get<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.08x=172.80 ALIGN=MIDDLE  ALT=\"1.08x=172.80\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "divide both sides by 1.08:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281.08x%29%2F1.08=172.80%2F1.08 ALIGN=MIDDLE  ALT=\"%281.08x%29%2F1.08=172.80%2F1.08\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "the 1.08s cancel on the left and we do the division on the right side leaving us with:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=160 ALIGN=MIDDLE  ALT=\"x=160\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "This means that the cost of a room at the bed and breakfast was $160.00 per night.  Notice that 8% sales tax on this would be .08(160) or 12.80.  What's 160+12.80?  $172.80 or the total price!!! </SPAN>\n" );
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