document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=934803>Question 934803</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A collection of 120 coins worth of $5.52 consists of pennies, nickels, dimes and quarters.  There are 8 more nickels than dimes and three times as many pennies as nickels.  How many of each type of coin are there?\r<BR>\n" );
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document.write( "What I've tried:<BR>\n" );
document.write( "	x+y+z+w=120		<BR>\n" );
document.write( "	1x+5y+10z+25w=552		<BR>\n" );
document.write( "			<BR>\n" );
document.write( "	y=z+8		<BR>\n" );
document.write( "	x=3y		<BR>\n" );
document.write( "			<BR>\n" );
document.write( "3y+z+8+z+w=120		1(3y)+5(z+8)+10z+25w=552	<BR>\n" );
document.write( "3y+2z+w=112		3y+5z+40+10z+25w=552	<BR>\n" );
document.write( "		3y+5z+10z+25w=512	<BR>\n" );
document.write( "		3y+15z+25w=512	<BR>\n" );
document.write( "			<BR>\n" );
document.write( "			<BR>\n" );
document.write( "(-36y-24z-12w)=-1344			<BR>\n" );
document.write( "3y+15z+25w=512			<BR>\n" );
document.write( "(-33y-9z+13w)=-832		 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #567833 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=567833\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = pennies<BR>\n" );
document.write( "y = nickels<BR>\n" );
document.write( "z = dimes<BR>\n" );
document.write( "u = quarters<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x + y + z + u = 120<BR>\n" );
document.write( "1x + 5y + 10z + 25u = 552<BR>\n" );
document.write( "y = z + 8<BR>\n" );
document.write( "x = 3y<BR>\n" );
document.write( "---<BR>\n" );
document.write( "put the system of linear equations into standard form<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x + y + z + u = 120<BR>\n" );
document.write( "1x + 5y + 10z + 25u = 552<BR>\n" );
document.write( "y - z = 8<BR>\n" );
document.write( "x - 3y = 0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above standard form linear equations in to this solver:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "solution:<BR>\n" );
document.write( "x = pennies = 72<BR>\n" );
document.write( "y = nickels = 24<BR>\n" );
document.write( "z = dimes = 16<BR>\n" );
document.write( "u = quarters = 8<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Free algebra tutoring live chat:<BR>\n" );
document.write( "https://sooeet.com/chat.php?gn=algebra<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations with quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve systems of linear equations up to 6-equations 6-variables:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
document.write( "--- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );