document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168754>Question 1168754</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Will someone help me solve this problem or check to see if I am on the right track? I think I would start by dividing 15/2 to get a unit rate of 7.50 per book and use $90 as a starting rate. M=90-7.50b<BR>\n" );
document.write( "So far 0 in the linear table, it would be M=90-7.50*0=90<BR>\n" );
document.write( "	Noah had 90 dollars spending money from a math competition he won. He found some math problem books that cost $15.00 for every 2 books. Of course, he decided to buy many of them! a. Write a linear equation to model this situation using M = Total Money River has left and B = Number of <BR>\n" );
document.write( "	books bought and complete the table.<BR>\n" );
document.write( "	<BR>\n" );
document.write( "Ind. Variable 	Dep. Variable <BR>\n" );
document.write( "B	                  M<BR>\n" );
document.write( "0	<BR>\n" );
document.write( "1	<BR>\n" );
document.write( "2	<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #793364 by </B><A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><B>math_tutor2020(3817)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><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=793364\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "You have the correct equation M = 90-7.50b which is the same as M = -7.50b+90\r<BR>\n" );
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document.write( "From here you plug in values b = 0, b = 1, b = 2 to get corresponding values of M\r<BR>\n" );
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document.write( "You've already shown that b = 0 leads to M = 90.\r<BR>\n" );
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document.write( "You repeat for b = 1<BR>\n" );
document.write( "M = 90-7.5b<BR>\n" );
document.write( "M = 90-7.5*1<BR>\n" );
document.write( "M = 82.50<BR>\n" );
document.write( "Telling us that buying 1 book means Noah has $82.50 left\r<BR>\n" );
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document.write( "And for b = 2 also<BR>\n" );
document.write( "M = 90-7.5b<BR>\n" );
document.write( "M = 90-7.5*2<BR>\n" );
document.write( "M = 75<BR>\n" );
document.write( "Showing that buying 2 books means he has $75 left\r<BR>\n" );
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document.write( "The table looks like this<BR>\n" );
document.write( "<TABLE  border=1 cellpadding = 4>\n" );
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document.write( "<tr><TD >B</TD><TD >M</TD></tr>\r\n" );
document.write( "<tr><TD >0</TD><TD >90</TD></tr>\r\n" );
document.write( "<tr><TD >1</TD><TD >82.50</TD></tr>\r\n" );
document.write( "<tr><TD >2</TD><TD >75</TD></tr>\r\n" );
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document.write( "</TABLE>\r<BR>\n" );
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document.write( "So it seems like you're on the right track.<BR>\n" );
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