document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=653200>Question 653200</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am struggling with how to explain how to solve this problem:\r<BR>\n" );
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document.write( "A collection of coins consists of dimes and nickels. The number of dimes is two more than<BR>\n" );
document.write( "the twice the number of nickels. The value of the collection is $2.70. How many dimes are<BR>\n" );
document.write( "in the collection?\r<BR>\n" );
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document.write( "Here is what I have tried so far:\r<BR>\n" );
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document.write( "d=2n+2 (this is the relationship between the number of dimes and nickels.) <BR>\n" );
document.write( ".10d + .05n= $2.70 (this is the value of the coins)<BR>\n" );
document.write( "10d +05n= 270 (Here we multiply by 100 and clear the decimals.)<BR>\n" );
document.write( "10d(2n+2)+05=270 \r<BR>\n" );
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document.write( "The purpose of the assignment is to work the problem and explain how I did it. I am stuck! <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #408288 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=408288\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You did fine up to that last step<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+2n%2B2%29 ALIGN=MIDDLE  ALT=\"d+=+2n%2B2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10d+%2B+5n+=+270 ALIGN=MIDDLE  ALT=\"10d+%2B+5n+=+270\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now use the first equation in the second one <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%282n%2B2%29+%2B+5n+=+270 ALIGN=MIDDLE  ALT=\"10%282n%2B2%29+%2B+5n+=+270\"   DISABLED_style= \"max-width:90%; height:auto;\" > You elininated d from the second eqaution and now have only n left<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20n+%2B+20+%2B+5n+=+270 ALIGN=MIDDLE  ALT=\"20n+%2B+20+%2B+5n+=+270\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25n+=+270+-+20 ALIGN=MIDDLE  ALT=\"25n+=+270+-+20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25n+=+250 ALIGN=MIDDLE  ALT=\"25n+=+250\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n+=+10 ALIGN=MIDDLE  ALT=\"n+=+10\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now you know how many nickles you have, use the first equation to see how many dimes.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+2%2A10+%2B+2 ALIGN=MIDDLE  ALT=\"d+=+2%2A10+%2B+2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+22 ALIGN=MIDDLE  ALT=\"d+=+22\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Does 22 dimes plus 10 nickles give you $2.70? </SPAN>\n" );
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