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 #109039 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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=109039\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You're on the right track amigo, and we'll help you along the way.<BR>\n" );
document.write( "To continue, we mark the following eqns okay,<BR>\n" );
document.write( "> There are 2 more dimes than nickels, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=N%2B2 ALIGN=MIDDLE  ALT=\"D=N%2B2\"   DISABLED_style= \"max-width:90%; height:auto;\" > -------> eqn 1<BR>\n" );
document.write( "> Since the total coins is 19,   so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N%2BD%2BQ=19 ALIGN=MIDDLE  ALT=\"N%2BD%2BQ=19\"   DISABLED_style= \"max-width:90%; height:auto;\" > -------> eqn 2<BR>\n" );
document.write( "> Then, when we multiply each coin to their value and add them up we get $2.35,<BR>\n" );
document.write( "to show, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.05N%2B0.10D%2B0.25Q=2.35 ALIGN=MIDDLE  ALT=\"0.05N%2B0.10D%2B0.25Q=2.35\"   DISABLED_style= \"max-width:90%; height:auto;\" >  ---------> eqn 3<BR>\n" );
document.write( ".<BR>\n" );
document.write( "We substitute \"D\" from eqn 1 to eqn 2 we get, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N%2BN%2B2%2BQ=19 ALIGN=MIDDLE  ALT=\"N%2BN%2B2%2BQ=19\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and from this eqn we get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Q=19-2N-2=17-2N ALIGN=MIDDLE  ALT=\"Q=19-2N-2=17-2N\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----> eqn 4<BR>\n" );
document.write( "Now we substitute value of \"D\" from eqn 1, also of \"Q\" from eqn 4 to eqn 3:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.05N%2B0.10highlight%28N%2B2%29%2B0.25highlight%2817-2N%29=2.35 ALIGN=MIDDLE  ALT=\"0.05N%2B0.10highlight%28N%2B2%29%2B0.25highlight%2817-2N%29=2.35\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.05N%2B0.10N%2B0.20%2B4.25-0.50N=2.35 ALIGN=MIDDLE  ALT=\"0.05N%2B0.10N%2B0.20%2B4.25-0.50N=2.35\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.15N%2B4.45-0.50N=2.35 ALIGN=MIDDLE  ALT=\"0.15N%2B4.45-0.50N=2.35\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4.45-2.35=0.50N-0.15N ALIGN=MIDDLE  ALT=\"4.45-2.35=0.50N-0.15N\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2.10=0.35N ALIGN=MIDDLE  ALT=\"2.10=0.35N\"   DISABLED_style= \"max-width:90%; height:auto;\" >  --------------> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N=6 ALIGN=MIDDLE  ALT=\"N=6\"   DISABLED_style= \"max-width:90%; height:auto;\" >, # of nickels<BR>\n" );
document.write( "For # of dimes go back eqn 1,<BR>\n" );
document.write( "D=6+2= <font><font size=4><b>8</font><BR>\n" );
document.write( "For # of quarters go back eqn 2,<BR>\n" );
document.write( "Q=19-8-6= <font><font size=4><b>5</font><BR>\n" );
document.write( "In doubt? go back to eqn 3,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.05%2A6%2B0.10%2A8%2B0.25%2A5=2.35 ALIGN=MIDDLE  ALT=\"0.05%2A6%2B0.10%2A8%2B0.25%2A5=2.35\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.30%2B0.80%2B1.25=2.35 ALIGN=MIDDLE  ALT=\"0.30%2B0.80%2B1.25=2.35\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2.35=2.35 ALIGN=MIDDLE  ALT=\"2.35=2.35\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<font><font size=4><b>Thank you,<BR>\n" );
document.write( "Jojo</font>\r<BR>\n" );
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document.write( " </SPAN>\n" );
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