document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=99254>Question 99254</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the slope of the line through the following pairs of points.\r<BR>\n" );
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document.write( "(-5, -3) and (-5, 2)<BR>\n" );
document.write( "In exercises 51 to 54, find the constant of variation k.<BR>\n" );
document.write( "m varies directly with n; m = 144 when n = 8.\r<BR>\n" );
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document.write( "The revenue for a sandwich shop is directly proportional<BR>\n" );
document.write( "to its advertising budget. When the owner spent $2000 a month on advertising, the<BR>\n" );
document.write( "revenue was $120,000. If the revenue is now $180,000, how much is the owner<BR>\n" );
document.write( "spending on advertising?\r<BR>\n" );
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document.write( "Please help these are all different questions that I plainly do not understand. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #72210 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=72210\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the slope of the line through the following pairs of points. <BR>\n" );
document.write( "(-5, -3) and (-5, 2)<BR>\n" );
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document.write( "slope = change in y / change in x = (2--3)/(-5--5) = 5/0 = undefined<BR>\n" );
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document.write( "Find the constant of variation k.<BR>\n" );
document.write( "m varies directly with n; m = 144 when n = 8.<BR>\n" );
document.write( "m = kn<BR>\n" );
document.write( "144 = k*8<BR>\n" );
document.write( "k = 144/8 = 18<BR>\n" );
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document.write( "The revenue for a sandwich shop is directly proportional<BR>\n" );
document.write( "to its advertising budget. When the owner spent $2000 a month on advertising, the revenue was $120,000. If the revenue is now $180,000, how much is the owner<BR>\n" );
document.write( "spending on advertising? <BR>\n" );
document.write( "x/180,000 = 2000/120000<BR>\n" );
document.write( "x = 180000(1/60) = $3000 (amount owner is spending on advertising)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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