document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=266930>Question 266930</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Translate the problem into a pair of linear equations in two variables. Solve using elimination or substitution. \r<BR>\n" );
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document.write( "Joe has a collection of nickels and dimes that is worth $5.65 . If the number of dimes was doubled and the number of nickels was increased by 2, then the value of the coins would be $10.15 . How many dimes 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 #196030 by </B><A HREF=/tutors/aboutme.mpl?userid=JBarnum><B>JBarnum(2146)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JBarnum><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=JBarnum><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=196030\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> take it sentence by sentence<BR>\n" );
document.write( "\"Joe has a collection of nickels and dimes that is worth $5.65 \"<BR>\n" );
document.write( "this means: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N%2BD=5.65 ALIGN=MIDDLE  ALT=\"N%2BD=5.65\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "\"If the number of dimes was doubled and the number of nickels was increased by 2, then the value of the coins would be $10.15\"<BR>\n" );
document.write( "this means: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2D%2B%28N%2B.10%29=10.15 ALIGN=MIDDLE  ALT=\"2D%2B%28N%2B.10%29=10.15\"   DISABLED_style= \"max-width:90%; height:auto;\" > (2nickels=$.10)<BR>\n" );
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document.write( "I would use Substitution method<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N%2BD=5.65 ALIGN=MIDDLE  ALT=\"N%2BD=5.65\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=5.65-N ALIGN=MIDDLE  ALT=\"D=5.65-N\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Plug D in to other equation <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2D%2B%28N%2B.10%29=10.15 ALIGN=MIDDLE  ALT=\"2D%2B%28N%2B.10%29=10.15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%285.65-N%29%2B%28N%2B10%29=10.15 ALIGN=MIDDLE  ALT=\"2%285.65-N%29%2B%28N%2B10%29=10.15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=11.3-2N%2BN%2B.10=10.15 ALIGN=MIDDLE  ALT=\"11.3-2N%2BN%2B.10=10.15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=11.4-N-11.4=10.15-11.4 ALIGN=MIDDLE  ALT=\"11.4-N-11.4=10.15-11.4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-N=-1.25 ALIGN=MIDDLE  ALT=\"-N=-1.25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N=1.25 ALIGN=MIDDLE  ALT=\"N=1.25\"   DISABLED_style= \"max-width:90%; height:auto;\" > this equals value of the nickels, divide by .05 for answer<BR>\n" );
document.write( "25 nickels<BR>\n" );
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document.write( "Plug N=1.25 into 1st equation<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N%2BD=5.65 ALIGN=MIDDLE  ALT=\"N%2BD=5.65\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.25%2BD=5.65 ALIGN=MIDDLE  ALT=\"1.25%2BD=5.65\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.25%2BD-1.25=5.65-1.25 ALIGN=MIDDLE  ALT=\"1.25%2BD-1.25=5.65-1.25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=4.4 ALIGN=MIDDLE  ALT=\"D=4.4\"   DISABLED_style= \"max-width:90%; height:auto;\" > this equals value of the dimes divide by .10 for answer<BR>\n" );
document.write( "44 dimes<BR>\n" );
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