document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=998605>Question 998605</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Entomologists have discovered that a linear relationship exists between the number of chirps of crickets of a certain species and the air temperature. When the temperature is 70F, the crickets chirp at the rate of 120 chirps/min, and when the temperature is 80F, they chirp at the rate of 160 chirps/min. Find N as a function of T and use this formula to determine the rate at which the crickets chirp when the temperature is 109F. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #616386 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39627)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=616386\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Would this be easier or more familiar a problem to solve?<BR>\n" );
document.write( "Find the equation of the line in slope-intercept form which contains the points  (70,120) and (80,160).  Use this equation to find  y for when x=109.\r<BR>\n" );
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document.write( "(x,y) would correspond to  (T, N). </SPAN>\n" );
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