document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=159355>Question 159355</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395977223/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I have twice as many nickels as quarters. If the coins are worth $4.90, how many quarters are there? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #117499 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=117499\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  I have twice as many nickels as quarters. If the coins are worth $4.90, how many quarters are there?<BR>\n" );
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document.write( "N = 2Q  (twice as many nickels)<BR>\n" );
document.write( "5N + 25Q = 490  (total worth)<BR>\n" );
document.write( "Sub for N in the 2nd eqn<BR>\n" );
document.write( "5*2Q + 25Q = 490<BR>\n" );
document.write( "10Q + 25Q = 490<BR>\n" );
document.write( "35Q = 490<BR>\n" );
document.write( "Q = 14 (# of quarters)<BR>\n" );
document.write( "N = 2Q = 28 (# of nickels)<BR>\n" );
document.write( "Checking, it totals $4.90.<BR>\n" );
document.write( " </SPAN>\n" );
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