document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=125846>Question 125846</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0131444425/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Can you help me with this question? I came up with 15*0.05x=71 but this is not working out.<BR>\n" );
document.write( "A promotional deal for long distance phone service charges a $15 basic fee plus $0.05 per minute for all calls. If Joe's phone bill was $71 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary. Thanks Sharon Brown<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 #92221 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=92221\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You can start by writing the equation the expresses the total cost for the phone service: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+F%2B0.05x ALIGN=MIDDLE  ALT=\"C+=+F%2B0.05x\"   DISABLED_style= \"max-width:90%; height:auto;\" > Where: C = total cost, F = basic fee($15) and x = the number of minutes at $0.05 per minute.<BR>\n" );
document.write( "Making the appropriate substitutions, we get:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=71+=+15%2B0.05x ALIGN=MIDDLE  ALT=\"71+=+15%2B0.05x\"   DISABLED_style= \"max-width:90%; height:auto;\" > Solve for x by subtracting 15 from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=56+=+0.05x ALIGN=MIDDLE  ALT=\"56+=+0.05x\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now divide both sides by 0.05<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=56%2F0.05+=+x ALIGN=MIDDLE  ALT=\"56%2F0.05+=+x\"   DISABLED_style= \"max-width:90%; height:auto;\" > or...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+1120 ALIGN=MIDDLE  ALT=\"x+=+1120\"   DISABLED_style= \"max-width:90%; height:auto;\" >minutes.<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+F%2B0.05x ALIGN=MIDDLE  ALT=\"C+=+F%2B0.05x\"   DISABLED_style= \"max-width:90%; height:auto;\" > Substitute F = $15 and x = 1120 mins.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+15+%2B+0.05%281120%29 ALIGN=MIDDLE  ALT=\"C+=+15+%2B+0.05%281120%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+15+%2B+56 ALIGN=MIDDLE  ALT=\"C+=+15+%2B+56\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+71 ALIGN=MIDDLE  ALT=\"C+=+71\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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