document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1033249>Question 1033249</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tim Whitman has $4.50 in change in his desk drawer to use on the vending ma- chines downstairs. He has four more quarters than dimes. He has three times as many nickels as dimes. How many coins of each type does he have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #647799 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=647799\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Tim Whitman has $4.50 in change in his desk drawer to use on the vending ma- chines downstairs. He has four more quarters than dimes. He has three times as many nickels as dimes. How many coins of each type does he have? <BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "q = d + 4<BR>\n" );
document.write( "n = 3d<BR>\n" );
document.write( "5n + 10d + 25q = 450 cents<BR>\n" );
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document.write( "Substitute to get one variable::<BR>\n" );
document.write( "5(3d) + 10d + 25(d+4) = 450<BR>\n" );
document.write( "15d + 10d + 25d + 100 = 450<BR>\n" );
document.write( "50d = 350<BR>\n" );
document.write( "d = 7 # of dimes<BR>\n" );
document.write( "n = 3d = 21 # of nickels<BR>\n" );
document.write( "q = d+4 = 11 (# of quarters)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "--------------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );