document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=135165>Question 135165</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0131656473/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> bus 1-8, gals used 5/8/12/15/18/20/22/25, miles driven  80/100/180/225/280/290/320/375\r<BR>\n" );
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document.write( "a. write a linear equation that models  the relationship between miles driven d and gallons of gas used g.<BR>\n" );
document.write( "b. use the equation to predict the number of miles a bus could go on 10 gallons of gas.<BR>\n" );
document.write( "c. use the equation to predict the number of gallons of gas required to drive a bus 250 miles.<BR>\n" );
document.write( "d. what do the vales of m and b in your equation d=mg+b tell bout the fuel efficiency of the bus fleet. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #99001 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=99001\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> bus 1-8, gals used 5/8/12/15/18/20/22/25, <BR>\n" );
document.write( "miles driven..... 80/100/180/225/280/290/320/375 <BR>\n" );
document.write( "a. write a linear equation that models the relationship between miles driven d and gallons of gas used g.<BR>\n" );
document.write( "d(g) = 15.0462g - 3.8476<BR>\n" );
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document.write( "b. use the equation to predict the number of miles a bus could go on 10 gallons of gas.<BR>\n" );
document.write( "d(10) = 15.0462*10 - 3.8476 = 146.61 miles<BR>\n" );
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document.write( "c. use the equation to predict the number of gallons of gas required to drive a bus 250 miles.\r<BR>\n" );
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document.write( "250 = 15.0462g - 3.8476<BR>\n" );
document.write( "15.0462g = 253.8476<BR>\n" );
document.write( "g = 16.8712 gallons<BR>\n" );
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document.write( "d. what do the vales of m and b in your equation d=mg+b tell about the fuel efficiency of the bus fleet.<BR>\n" );
document.write( "m tells you how many miles you get from each  gallon of gas.<BR>\n" );
document.write( "b tells you how many miles you can travel with no gas---it is false<BR>\n" );
document.write( "but is part of the generated linear equation based on the data.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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