document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=550830>Question 550830</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The reader has two teenaged children and wants<BR>\n" );
document.write( "to choose the best plan. The first plan has a flat charge of<BR>\n" );
document.write( "$.40 each day plus $.08 per minute of phone calls. Write an<BR>\n" );
document.write( "expression for the daily cost of one phone, letting x represent<BR>\n" );
document.write( "the number of minutes of phone calls used in one day.\r<BR>\n" );
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document.write( "Complete the expression  9(  )\r<BR>\n" );
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document.write( "The second plan charges $.25 per minute of phone calls with no additional daily charges. Write and expression for the daily cost of two phone calls letting x represent  the number of minutes of phone calls used in one day.\r<BR>\n" );
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document.write( "B. Write an exression you would use to find the number of minutes of phone calls it takes for the costs to be the same. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #359127 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=359127\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (1) The first plan has daily cost = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.08x+%2B+.4+ ALIGN=MIDDLE  ALT=\"+.08x+%2B+.4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) The 2nd plan has daily cost = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.25x+ ALIGN=MIDDLE  ALT=\"+.25x+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) The costs will be the same when:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.08x+%2B+.4+=+.25x+ ALIGN=MIDDLE  ALT=\"+.08x+%2B+.4+=+.25x+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.25x+-+.08x+=+.4+ ALIGN=MIDDLE  ALT=\"+.25x+-+.08x+=+.4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.17x+=+.4+ ALIGN=MIDDLE  ALT=\"+.17x+=+.4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+2.353+ ALIGN=MIDDLE  ALT=\"+x+=+2.353+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.353%2A60+=+21+ ALIGN=MIDDLE  ALT=\"+.353%2A60+=+21+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The costs are the same when 2 minutes and 21 seconds<BR>\n" );
document.write( "of phone calls are used in one day<BR>\n" );
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