document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=237503>Question 237503</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Word problems have always confused me. I need help in deciphering exactly what the following word problem is looking for:\r<BR>\n" );
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document.write( "A cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given by C = 0.25(t-500) + 46.95, where it is assumed that t > 500 minutes. What times will keep costs between $87.45 and $118.95?\r<BR>\n" );
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document.write( "Any help would eb appreciated. Thank you in advance for your help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #174635 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=174635\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given by C = 0.25(t-500) + 46.95, where it is assumed that t > 500 minutes. What times will keep costs between $87.45 and $118.95? <BR>\n" );
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document.write( "87.45 < 0.25(t-500) + 46.95 < 118.95<BR>\n" );
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document.write( "subtract 46.95 along the line to get:<BR>\n" );
document.write( "40.50 < 0.25(t-500) < 72<BR>\n" );
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document.write( "Divide thru by 0.25 to get:<BR>\n" );
document.write( "162 < t-500 < 288<BR>\n" );
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document.write( "Add 500 along the line to get:<BR>\n" );
document.write( "662 < t < 788<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "stan H. </SPAN>\n" );
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