document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=274021>Question 274021</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Rate Increase. Patricia knows that at some point during the calendar year her basic monthly telephone rate increased from $17.10 to $18.40. If she paid a total of $207.80 for basic telephone service for the calendar year, in what month did the rate increase take effect?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #200057 by </B><A HREF=/tutors/aboutme.mpl?userid=calegebra><B>calegebra(14)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=calegebra><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=200057\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are a couple of ways to solve. One is the chart method where each month is designated with a particular rate--this is too laborous!!!!\r<BR>\n" );
document.write( "\n" );
document.write( "The best way is to find out how much the $17.10 rate would be for 12 months<BR>\n" );
document.write( "$17.10 * 12 = $205.20 then compare to\r<BR>\n" );
document.write( "\n" );
document.write( "Total $207.80  then<BR>\n" );
document.write( "work from 11 months at $17.10 and 1 month at $18.40 = $206.50 then<BR>\n" );
document.write( "               work from 10 months at $17.10 and 2 months at $18.40 = $207.80\r<BR>\n" );
document.write( "\n" );
document.write( "So, since 2 months at $18.40 was solution then the fee increased in November (2 months from 1 year) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );