document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1006805>Question 1006805</A>: <I><SPAN STYLE=\"word-break: break-all;\"> with plan A, the charge is $7.50 a month with no fee for each check written. with plan b, the charge is $3 a month, plus an additional 20 cents for each check written. what is the least number of checks a customer must write each month in order for plan A to cost less than plan B?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #622861 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=622861\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> n=number of checks; m=monthly fee; c=charge per check<BR>\n" );
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document.write( "cost of plan=m+cn<BR>\n" );
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document.write( "Plan A=$7.50+(0)n<BR>\n" );
document.write( "Plan B=$3.00+$0.20n<BR>\n" );
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document.write( "When they cost the same, Plan A=Plan B:<BR>\n" );
document.write( "$7.50+(0)n=$3.00+$0.20n<BR>\n" );
document.write( "$7.50=$3.00+$0.20n<BR>\n" );
document.write( "$4.50=$0.20n<BR>\n" );
document.write( "22.5=n<BR>\n" );
document.write( "The cost is the same when 22.5 checks are written,<BR>\n" );
document.write( "so the fewest checks you must write for Plan A to <BR>\n" );
document.write( "be less expensive is 22.5.<BR>\n" );
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