document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=163268>Question 163268</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi there!  I am STUCK!!!!!\r<BR>\n" );
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document.write( "Lisa bought one calculator and a text book.  Her bill including the 7.25% sales tax came out to be $100.58.  The text book was five dollars less than twice the price of the calculator.  \r<BR>\n" );
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document.write( "How much was each item before tax?\r<BR>\n" );
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document.write( "I have tried:<BR>\n" );
document.write( "T=2c-5     1.0725c+1.0725(2c-5)=100.58<BR>\n" );
document.write( "I have tried about six other ways to work this problem out and I can't seem to get it right. Please help before I go nuts!!! ~Melyssa </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #120296 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=120296\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Please...save your sanity!<BR>\n" );
document.write( "Let B = the price of the book and C = the price of the calculator (all before sales tax).<BR>\n" );
document.write( "1) (B+C)+0.0725(B+C) = $100.58 This is the cost of the book and calculator plus 7.25 sales tax. Yuocan rewrite equation 1) as:<BR>\n" );
document.write( "1a) (B+C)(1.0725) = $100.58 Divide both sides by (1.0725) to find the price of the bookplus calculator.<BR>\n" );
document.write( "1b) (B+C) = $100.58/1.0725 = $93.78 This is the price of the bookand calculator without sales tax.<BR>\n" );
document.write( "From the problem, you know that: <BR>\n" );
document.write( "2) B = 2C-$5 The price of the book is $5 less than twice the price of the calculator. Let's substitute this into equation 1b)<BR>\n" );
document.write( "1c) (2C-$5)+C = $93.78 Simplify and solve for C<BR>\n" );
document.write( "3C-$5 = $93.78 Add $5 to both sides.<BR>\n" );
document.write( "3C = $98.78 Divide both sides by 3.<BR>\n" );
document.write( "C = $32.93 This is the cost of the calculator before sales tax.<BR>\n" );
document.write( "B = 2C-$5 = 2($32.93)-$5 = $65.85-$5 = $60.85<BR>\n" );
document.write( "The calculator price before sales tax is $32.93 and the book price before sales tax is $60.85 </SPAN>\n" );
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