document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=970063>Question 970063</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two electrical resistors are connected in parallel. The resistance of one of them is 15 ohms and the resistance of the combination is 5 ohms. What is the resistance of the other resistor?\r<BR>\n" );
document.write( "\n" );
document.write( "1  1   1<BR>\n" );
document.write( "-= - + -<BR>\n" );
document.write( "r r^1 r^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #592764 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><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=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=592764\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5BT%5D ALIGN=MIDDLE  ALT=\"R%5BT%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >=Total resistance; <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D ALIGN=MIDDLE  ALT=\"R%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >=value of resistor 1; <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B2%5D ALIGN=MIDDLE  ALT=\"r%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >=value of resistor 2<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2FR%5BT%5D=1%2FR%5B1%5D%2B1%2FR%5B2%5D ALIGN=MIDDLE  ALT=\"1%2FR%5BT%5D=1%2FR%5B1%5D%2B1%2FR%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2FR%5BT%5D-1%2FR%5B1%5D=1%2FR%5B2%5D ALIGN=MIDDLE  ALT=\"1%2FR%5BT%5D-1%2FR%5B1%5D=1%2FR%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in values<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F5ohms-1%2F15ohms=1%2FR%5B2%5D ALIGN=MIDDLE  ALT=\"1%2F5ohms-1%2F15ohms=1%2FR%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F15ohms=1%2FR%5B2%5D ALIGN=MIDDLE  ALT=\"2%2F15ohms=1%2FR%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > Cross multiply.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2R%5B2%5D=15ohms ALIGN=MIDDLE  ALT=\"2R%5B2%5D=15ohms\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide each side by 2.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B2%5D=7.5ohms ALIGN=MIDDLE  ALT=\"R%5B2%5D=7.5ohms\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "ANSWER: The other resistor is 7.5 ohms.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );