document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1099902>Question 1099902</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Every year, the cost of electricity increases by 4%. If electricity currently costs 30 pesos per megawatt, what will the per-megawatt cost be in 5 years? Round off your answer to the nearest whole number. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #714419 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=714419\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> NOTE: <BR>\n" );
document.write( "Watts and megawatts are measures of power (the rate/speed at which energy is used or delivered).<BR>\n" );
document.write( "That means that people are billed for the amount of energy used in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=kilowatt%2Ahour ALIGN=MIDDLE  ALT=\"kilowatt%2Ahour\"   DISABLED_style= \"max-width:90%; height:auto;\" > . That is power multiplied by time.<BR>\n" );
document.write( "My electric bill is in kilowatt-hour in the USA,<BR>\n" );
document.write( "y era en kilovatios-hora cuando yo vivía en Sudámerica.<BR>\n" );
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document.write( "An increase of 4% per year meas that as a 4% of the previous cost is added,<BR>\n" );
document.write( "the new cost becomes 100% + 4% = 104% of what it was before.<BR>\n" );
document.write( "In other words, cost gets multiplied times <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=104%2F100=1.04 ALIGN=MIDDLE  ALT=\"104%2F100=1.04\"   DISABLED_style= \"max-width:90%; height:auto;\" > every year.<BR>\n" );
document.write( "Starting at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30+pesos ALIGN=MIDDLE  ALT=\"30+pesos\"   DISABLED_style= \"max-width:90%; height:auto;\" > per unit of energy,<BR>\n" );
document.write( "after 5 years it would be<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2830pesos%29%2A1.04%2A1.04%2A1.04%2A1.04%2A1.04=%2830pesos%29%2A1.04%5E5=%2830pesos%29%2A1.04%5E5=%2830pesos%29%2A1.2166529024=36.499587072pesos ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > .<BR>\n" );
document.write( "I would round that to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=36pesos ALIGN=MIDDLE  ALT=\"36pesos\"   DISABLED_style= \"max-width:90%; height:auto;\" > , because 36.499587072 is less than 36.50.<BR>\n" );
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