document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=75285>Question 75285</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Business and finance.  The cost for a long-distance telephone call is $.036 for the first minute and $0.21 for each additional minute or portion thereof.  Write an inequality representing the number of minutes a person could talk without exceeding $3.<BR>\n" );
document.write( "Please help I cannot figure this one out.  Here is my inequality so far 36+21+x>3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #54027 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=54027\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "THE EQUALITY SIGN MUST BE A <= SIGN BECAUSE WE ARE TOLD THAT THE COST CAN'T EXCEED $3.00.  AT LEAST YOU GAVE IT A SHOT BUT I'M NOT SURE THAT I CAN FOLLOW WHAT YOU DID.  SEE WHAT YOU THINK ABOUT MY APPROACH:\r<BR>\n" );
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document.write( "FIRST, I'M ASSUMING YOU MEANT $0.36 AND NOT $0.036\r<BR>\n" );
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document.write( "Anyway, let's deal in pennies to make life more simple\r<BR>\n" );
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document.write( "Let x=number of minutes a person can talk without exceeding 300 (pennies)<BR>\n" );
document.write( "First minute cost=36 cents<BR>\n" );
document.write( "additional minutes cost 21 cents per minute\r<BR>\n" );
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document.write( "So our equation is:\r<BR>\n" );
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document.write( "36+21(x-1)<= 300 ----------------this is what I get (Note that I subtracted out the first minute)<BR>\n" );
document.write( "36+21x-21 <=300<BR>\n" );
document.write( "21x+15 <=300 subtract 15 from both sides<BR>\n" );
document.write( "21x+15-15 <=300-15 collect like terms\r<BR>\n" );
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document.write( "21x <=285  divide both sides by 21\r<BR>\n" );
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document.write( "x<=13.5714 or 13 minutes (We can't round up because x is LESS THAN OR EQUAL TO 13.5714).  Also, if you try 14, you will find that it breaks the bank. \r<BR>\n" );
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document.write( "ck<BR>\n" );
document.write( "36 +12*21<=300<BR>\n" );
document.write( "36+252<=300<BR>\n" );
document.write( "288 <= 300  another minute would cost 21 cents--no can do!\r<BR>\n" );
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document.write( "Hope this helps----ptaylor\r<BR>\n" );
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document.write( " </SPAN>\n" );
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