document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1032486>Question 1032486</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Problem:  Ring-A-Ding Phone Company charges each customer $160 for telephone installation, plus $40 per month for service.  Dial Tone Phone Company charges $210 for telephone installation, plus $30 per month for service.  A customer who signs up for Dial Tone will pay the same total amount for his or her telephone as a customer who signs up for Ring-A-Ding if each pays for installation  and service for how many months.\r<BR>\n" );
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document.write( "Possible Answers are: 4 months, 5 months, 7 months, and 9 months.\r<BR>\n" );
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document.write( "Based on my calculations,  Dialtone is paid $240  per month and Ring-A-Ding is paid $200 per month.  The two companies were costed out for payment for the four possible month solutions, but none of them were equal.\r<BR>\n" );
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document.write( "Dialtone:    960   1200   1,680 and 2,160\r<BR>\n" );
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document.write( "Ring-A-Ding: 800   1,000  1,400 and 1,800\r<BR>\n" );
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document.write( "\"His or her telephone\" seems to be the key in this question but I still can't solve.  Any help would be greatly appreciated.\r<BR>\n" );
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document.write( "Sincerely,\r<BR>\n" );
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document.write( "Jamaal Zeigler </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #647162 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=647162\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Problem: <BR>\n" );
document.write( "Ring-A-Ding Phone Company charges each customer $160 for telephone installation, plus $40 per month for service. <BR>\n" );
document.write( "R(x) = 160+40x<BR>\n" );
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document.write( "Dial Tone Phone Company charges $210 for telephone installation, plus $30 per month for service.<BR>\n" );
document.write( "D(x) = 210+30x<BR>\n" );
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document.write( " A customer who signs up for Dial Tone will pay the same total amount for his or her telephone as a customer who signs up for Ring-A-Ding if each pays for installation and service for how many months? <BR>\n" );
document.write( "Possible Answers are: 4 months, 5 months, 7 months, and 9 months.<BR>\n" );
document.write( "160+40x = 210+30x<BR>\n" );
document.write( "10x = 50<BR>\n" );
document.write( "x = 5 months<BR>\n" );
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document.write( "Cheers<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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