document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1081896>Question 1081896</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For her phone service, Ivanna pays a monthly fee of $20, and she pays an additional $0.04 per minute of use. The least she has been charged in a month is $79.36. What are the possible numbers of minutes she has used her phone in a month? \r<BR>\n" );
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document.write( "Use m for the number of minutes, and solve your inequality for m. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #695960 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=695960\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> she pays 20 dollars plus .04 * x where x is the number of minutes she consumed.\r<BR>\n" );
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document.write( "if she has been charged 79.36, then take 20 off of that and she has been charged 59.36 for minutes of use.\r<BR>\n" );
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document.write( "divide 59.36 by .04 and she has been on the phone for 1484 minutes.\r<BR>\n" );
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document.write( "your equation is c = 20 + .04 * x\r<BR>\n" );
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document.write( "c is the total cost<BR>\n" );
document.write( "x is the number of minutes.\r<BR>\n" );
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document.write( "since c is 79.36, the formula becomes 79.36 = 20 + .04 * x<BR>\n" );
document.write( "subtract 20 from both sides of the equation to get 59.36 = .-04 * x<BR>\n" );
document.write( "divide both sides of the equation by .04 to get 59.36 / .04 = x<BR>\n" );
document.write( "solve for x to get x = 59.36 / .04 = 1484 minutes.\r<BR>\n" );
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document.write( "1484 * .04 + 20 = 79.36<BR>\n" );
document.write( "solution looks good.\r<BR>\n" );
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document.write( "let x = m and you get the same solution.\r<BR>\n" );
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document.write( "c = 20 + .04 * m<BR>\n" );
document.write( "79.36 = 20 + .04 * m<BR>\n" );
document.write( "59.36 = .04 * m<BR>\n" );
document.write( "m = 59.36 / .04 = 1484\r<BR>\n" );
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document.write( " </SPAN>\n" );
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