document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=17842>Question 17842</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The total cost for a dinner was $97.52. This included a 15% tip calculated on the cost of the dinner after a 6 % sales tax. Find the cost of dinner before the tip and tax. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #8626 by </B><A HREF=/tutors/aboutme.mpl?userid=whisper><B>whisper(27)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=whisper><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=8626\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let's look at what we know:<BR>\n" );
document.write( "dinner total cost $97.52<BR>\n" );
document.write( "Dinner = Original cost + tip + sales tax<BR>\n" );
document.write( "original cost + 15%tax +6% sales tax = total cost<BR>\n" );
document.write( "Now let's make this into an equation<BR>\n" );
document.write( "original cost = c<BR>\n" );
document.write( "tip= .15(c+.06c)<BR>\n" );
document.write( "sales tax = .06c<BR>\n" );
document.write( "Dinner = 97.52<BR>\n" );
document.write( "c+.06c+.15(c+.06c)=97.52<BR>\n" );
document.write( "c+.06c+.15(1.06c)=97.52<BR>\n" );
document.write( "1.06c+.159c=97.52<BR>\n" );
document.write( "1.219c=97.52<BR>\n" );
document.write( "Divide both sides by 1.219<BR>\n" );
document.write( "1.219c/1.219=97.52/1.219<BR>\n" );
document.write( "1c=80<BR>\n" );
document.write( "c=80<BR>\n" );
document.write( "The original cost of the dinner before tip and tax is $80.00<BR>\n" );
document.write( "Please don't hesitate to ask if you have further questions!<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );