document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=123240>Question 123240</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0030416582/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Erza and tava sold at least 150 cupon books.  Erza sold at most 30 books more than twice the number tava sold.  Show and describe all possible combinations of the numbers of cupon books erza and tava sold.  List two possible combinations. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #90424 by </B><A HREF=/tutors/aboutme.mpl?userid=ontmtnbike><B>ontmtnbike(2)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ontmtnbike><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=90424\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The question says that Erza sold AT MOST 30 more than twice the number Tava sold, so the lowest number that Erza could've sold would me 1 more than twice the number Tava sold.\r<BR>\n" );
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document.write( "Let x= the number of coupon books that Tava sold<BR>\n" );
document.write( "Let 2x+30= the number of coupon books that Erza sold.<BR>\n" );
document.write( "(you can use 2x+1, 2x+2, 2x+3, etc...)\r<BR>\n" );
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document.write( "x+2x+30=150<BR>\n" );
document.write( "3x=120<BR>\n" );
document.write( "x=40\r<BR>\n" );
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document.write( "Therefore 150-40=110 \r<BR>\n" );
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document.write( "Tava sold 40 books and Erza sold 110 books. \r<BR>\n" );
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document.write( " </SPAN>\n" );
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