document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=183399>Question 183399</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321233832/algebrahomeworkh>Elementary and Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> The current in a wire varies directly as the voltage and inversely as the resistance. What happens to the current when the voltage triples and the resistance is doubled? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #137693 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=137693\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let C=current, V=voltage, and R=resistance\r<BR>\n" );
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document.write( "So \"The current in a wire varies directly as the voltage and inversely as the resistance\" translates to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C=k%28V%2FR%29 ALIGN=MIDDLE  ALT=\"C=k%28V%2FR%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C=k%28V%2FR%29 ALIGN=MIDDLE  ALT=\"C=k%28V%2FR%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given equation\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%5B1%5D=k%283V%2FR%29 ALIGN=MIDDLE  ALT=\"C%5B1%5D=k%283V%2FR%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Triple the voltage by replacing \"V\" with 3V. Note: the current is now different\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%5B1%5D=k%283V%2F2R%29 ALIGN=MIDDLE  ALT=\"C%5B1%5D=k%283V%2F2R%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Double the resistance by replacing \"R\" with 2R. Note: the current is now different\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%5B1%5D=%283%2F2%29k%28V%2FR%29 ALIGN=MIDDLE  ALT=\"C%5B1%5D=%283%2F2%29k%28V%2FR%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Rearrange the terms.\r<BR>\n" );
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document.write( "Notice how <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k%28V%2FR%29 ALIGN=MIDDLE  ALT=\"k%28V%2FR%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the original expression. So we can say that the new current <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%5B1%5D ALIGN=MIDDLE  ALT=\"C%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > is now\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C%5B1%5D=%283%2F2%29C ALIGN=MIDDLE  ALT=\"C%5B1%5D=%283%2F2%29C\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So when the voltage triples and the resistance is doubled, the current is multiplied by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F2 ALIGN=MIDDLE  ALT=\"3%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > or 1.5 </SPAN>\n" );
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