document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1143086>Question 1143086</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The flat rate of taxis is 45 pesos. For every half-kilometer,<BR>\n" );
document.write( "2 pesos and 50 centavos are added to the fare. What is the<BR>\n" );
document.write( "equation for the total fare if k is the distance traveled in<BR>\n" );
document.write( "kilometers and t is the cost?\r<BR>\n" );
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document.write( "Thank you in advance! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #763857 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=763857\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the flat rate is 45 pesos.<BR>\n" );
document.write( "there is an additional charge of 2 pesos and 50 centavos for each half kilometer traveled.\r<BR>\n" );
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document.write( "t is the total cost.<BR>\n" );
document.write( "k is the number of kilometers traveled.<BR>\n" );
document.write( "2 * k is the number of half kilometers traveled.\r<BR>\n" );
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document.write( "there are 100 centavos to 1 peso.<BR>\n" );
document.write( "therefore 50 centavos is equal to .5 pesos.<BR>\n" );
document.write( "this means the additional charge for each half-kilometer is 2.5 pesos.<BR>\n" );
document.write( "this means the additional charge for each kilometer is 5 pesos.\r<BR>\n" );
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document.write( "the formula becomes t = 45 + 5 * k<BR>\n" );
document.write( "t is the total cost.<BR>\n" );
document.write( "k is the number of kilometers.\r<BR>\n" );
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document.write( "without any rounding or truncating of kilometers, the formula would work like this.\r<BR>\n" );
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document.write( "you get in the taxi and go for 20.5 kilometers.<BR>\n" );
document.write( "the total charge is 45 + 5 * 20.5 = 147.5 pesos.<BR>\n" );
document.write( "that would be 147 pesos and 50 centavos.\r<BR>\n" );
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document.write( "using another example, the formula would work like this.\r<BR>\n" );
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document.write( "you get in the taxi and go for 20.5436 kilometers.<BR>\n" );
document.write( "the total charge is 45 + 5 * 20.5436 = 147.718 pesos.<BR>\n" );
document.write( "you would round to the nearest centavo.<BR>\n" );
document.write( "the total charge becomes 147.72 pesos.<BR>\n" );
document.write( "that would be 147 pesos and 72 centavos.\r<BR>\n" );
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document.write( "if you round to the nearest half kilometer, then the total charges is 45 + 5 * 20.5 = 147.5 pesos.<BR>\n" );
document.write( "that would be 147 pesos and 50 centavos.\r<BR>\n" );
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document.write( "the formula is good without taking rounding into consideration.<BR>\n" );
document.write( "the rounding is based on the policy of the taxi company as well as the accuracy of the odometer.<BR>\n" );
document.write( "the cost would probably be rounded to the nearest centavo.<BR>\n" );
document.write( "the kilometers could be rounded up or rounded down, or just rounded to the nearest half kilometer as in the last example.\r<BR>\n" );
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document.write( "an example of rounding to the nearest half kilometer follows.\r<BR>\n" );
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document.write( "20.5436 is rounded to 20.5 because it's closer to 20.5 than it is to 21.<BR>\n" );
document.write( "20.5436 is rounded up to 21<BR>\n" );
document.write( "20.5436 is rounded down to 20.5\r<BR>\n" );
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document.write( "20.9803 is rounded to 21 because it's closer to 21 than it is to 20.5.<BR>\n" );
document.write( "20.9803 is rounded up to 21<BR>\n" );
document.write( "20.9803 is rounded down to 20.5\r<BR>\n" );
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document.write( " </SPAN>\n" );
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