document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=199585>Question 199585</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Daniela and Jack are hiking a steady incline. They use their GPS<BR>\n" );
document.write( "device to determine their elevation every 15 minutes. At 15 minutes<BR>\n" );
document.write( "and 30 minutes they were at elevations of 10,300 feet and 10,900 feet, respectively.<BR>\n" );
document.write( "a. Write an equation expressing their elevation in relation to time.<BR>\n" );
document.write( "b. Based on the formula you found above, what is their elevation<BR>\n" );
document.write( "after one hour? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149992 by </B><A HREF=/tutors/aboutme.mpl?userid=rfer><B>rfer(16322)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rfer><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=149992\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (10900-10300)/15=40ft per min<BR>\n" );
document.write( "10300+40t= elavation  where t is in minutes<BR>\n" );
document.write( "10300+40(60)=12700 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );