document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=813089>Question 813089</A>: <I><SPAN STYLE=\"word-break: break-all;\"> More like a rate of change question. I'm a frustrated parent trying to teach a high functioning autistic teen; any help would be appreciated. \r<BR>\n" );
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document.write( "Problem: Dexter pays $10 towards the initial cost of his phone plan plus an additional cost for sending each text message. He pays $10.70 in all for 7 text messages that he sent during this month including the initial cost.\r<BR>\n" );
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document.write( "How much does Dexter pay for each text message sent from his phone?\r<BR>\n" );
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document.write( "And...Write an equation that represents the relationship between the number of messages sent, \"n\", and the monthly cost, \"c\".\r<BR>\n" );
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document.write( "Any help would be greatly appreciated. I can't seem to find anything in relation to this problem. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #489483 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=489483\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=mx+b<BR>\n" );
document.write( "c=mn+1000<BR>\n" );
document.write( "1070=7n+1000<BR>\n" );
document.write( "70=7x<BR>\n" );
document.write( "10=x<BR>\n" );
document.write( "10 cents a message\r<BR>\n" );
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