document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=244780>Question 244780</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve assume a linear relationship fits each set of data \r<BR>\n" );
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document.write( "a long distance telephone comany advertised the following rates:<BR>\n" );
document.write( "5 minutes (m) for just 0.85c (p) and 10 minutes for just $1.10 use the ordered pairs (m,p)\r<BR>\n" );
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document.write( "1.find the linear equation for these data points <BR>\n" );
document.write( "2.use this linear equation to find the cost of a 20-minute phone call. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #178958 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=178958\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve assume a linear relationship fits each set of data <BR>\n" );
document.write( "a long distance telephone comany advertised the following rates:<BR>\n" );
document.write( "5 minutes (m) for just 0.85c (p) and 10 minutes for just $1.10 use the ordered pairs (m,p)<BR>\n" );
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document.write( "You have two points: (5,85) and (10,110)<BR>\n" );
document.write( "slope = (110-85)/(10-5) = 25/5 = 5<BR>\n" );
document.write( "intercept = b<BR>\n" );
document.write( "85 = 5*5 + b<BR>\n" );
document.write( "b = 60<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( " <BR>\n" );
document.write( "1.find the linear equation for these data points<BR>\n" );
document.write( "p(m) = 5m + 60<BR>\n" );
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document.write( "2.use this linear equation to find the cost of a 20-minute phone call.<BR>\n" );
document.write( "p(20) = 5*20 + 60<BR>\n" );
document.write( "p(20) = $1.60<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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