document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1007226>Question 1007226</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you solve this?\r<BR>\n" );
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document.write( "A 5 minute overseas call cost $5.91 and a 10 minute call costs $10.86. The cost of the call and the length of the call have a linear relationship. Write the equation that models the situation. How long can you talk on the phone if you have $12? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #623200 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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/cgi-bin/show-face.mpl?user=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=623200\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A five-minute difference in the two calls results in an increase of<BR>\n" );
document.write( "10.86 - 5.91 = $4.95<BR>\n" );
document.write( "That means the company charges $4.95 / 5 = $.99 a minute.<BR>\n" );
document.write( "The original five-minute call costs $4.95 plus another $.96.  That's how they got $5.91 for its charge.<BR>\n" );
document.write( "Thus the equation for this situation is (using C for cost and m for minutes)<BR>\n" );
document.write( "C = .99m + .96<BR>\n" );
document.write( "Now plug 12 in for C and get<BR>\n" );
document.write( "12 = .99m + .96<BR>\n" );
document.write( "m = 11.15 minutes...probably rounded to 11 minutes... </SPAN>\n" );
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