document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=148698>Question 148698</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mike has 19 coins (Nickels, Dimes and quarters) in his piggy bank with a total value of $2.35. There are 2 more dimes than nickels. How many of each type of coins does mike have?\r<BR>\n" );
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document.write( "I know I have to make 3 equations\r<BR>\n" );
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document.write( "N + D + Q= 2.35\r<BR>\n" );
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document.write( "D= N +2 ( I think)\r<BR>\n" );
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document.write( "Not sure on the third one. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #109038 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=109038\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1 Nickel =0.05  N= number of nickels<BR>\n" );
document.write( "1 Dimes =0.1    D= number of dimes<BR>\n" );
document.write( "1 quarter =0.25 Q=number of quarters\r<BR>\n" );
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document.write( "Mike has 19 coins then \r<BR>\n" );
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document.write( "N+D+Q=19\r<BR>\n" );
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document.write( "total value of $2.35 then\r<BR>\n" );
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document.write( " 0.05N+0.1D+0.25Q=2.35\r<BR>\n" );
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document.write( "There are 2 more dimes than nickels then\r<BR>\n" );
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document.write( " D=N+2\r<BR>\n" );
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document.write( "3 equations are:<BR>\n" );
document.write( "N+D+Q=19<BR>\n" );
document.write( "0.05N+0.1D+0.25Q=2.35<BR>\n" );
document.write( "D=N+2\r<BR>\n" );
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document.write( "using the third eq in 1 and 2\r<BR>\n" );
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document.write( "N+N+2+Q=19<BR>\n" );
document.write( "0.05N+0.1(N+2)+0.25Q=2.35\r<BR>\n" );
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document.write( "2N+Q=17  then Q=17-2N<BR>\n" );
document.write( "0.15N+0.25Q=2.15\r<BR>\n" );
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document.write( "0.15N+0.25(17-2N)=2.15\r<BR>\n" );
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document.write( "0.15N+4.25-0.5N=2.15\r<BR>\n" );
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document.write( "-0.35N=-2.1\r<BR>\n" );
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document.write( "N=2.1/0.35=6\r<BR>\n" );
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document.write( "Q=17-2(6)=5\r<BR>\n" );
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document.write( "D=19-5-6=8\r<BR>\n" );
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document.write( "Answer:\r<BR>\n" );
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document.write( "N=6,D=8,Q=5\r<BR>\n" );
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document.write( " </SPAN>\n" );
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