document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=153841>Question 153841</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help working through this word problem.\r<BR>\n" );
document.write( "\n" );
document.write( "    In 1998, 1.7 million electronic bill statements were delivered and payments occured.  In 2002, that number rose to 9.9 million.<BR>\n" );
document.write( "    a) write two ordered pairs of the form (years after 1998, millions of electronic bills).<BR>\n" );
document.write( "    b) the relationship between years after 1998 and 2002 is approximately linear over this period. Use the ordered pairs from part a to write an equation of the line relating to electronic bills.<BR>\n" );
document.write( "    c) Use the linear equation from part (b) to estimate the lectronic bills to be delivered and pain in 2006.\r<BR>\n" );
document.write( "\n" );
document.write( "please help me with this problem<BR>\n" );
document.write( "thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #113199 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=113199\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In 1998, 1.7 million electronic bill statements were delivered and payments occured. In 2002, that number rose to 9.9 million.<BR>\n" );
document.write( "--------------------------------------<BR>\n" );
document.write( "a) write two ordered pairs of the form (years after 1998, millions of electronic bills).<BR>\n" );
document.write( "(0,1.7 mil); (4,9.9 mil)<BR>\n" );
document.write( "--------------------------------------<BR>\n" );
document.write( "b) the relationship between years after 1998 and 2002 is approximately linear over this period. Use the ordered pairs from part a to write an equation of the line relating to electronic bills.<BR>\n" );
document.write( "slope = (9.9-1.7)/(4-0) = 8.2/4 = 2.05<BR>\n" );
document.write( "intercept: (0,1.7 mil)<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "# of bills = 2.05*years since 1998 + 1.7 million electric statements<BR>\n" );
document.write( "b = 2.05x + 1.7<BR>\n" );
document.write( "--------------------------------------\r<BR>\n" );
document.write( "\n" );
document.write( "c) Use the linear equation from part (b) to estimate the lectronic bills to be delivered and pain in 2006. <BR>\n" );
document.write( "b(2) = 2.05*8 + 1.7<BR>\n" );
document.write( "b(2) = 18.1 million<BR>\n" );
document.write( "=====================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );