document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=216619>Question 216619</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if i have 20 coins all dimes and quarters and total is $2.90 cent. How many of each coin do i have<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #163557 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=163557\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let  d = #  dimes,,,,,,,,,and  q= # quarters<BR>\n" );
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document.write( "(1) d + q = 20,,,,or  q=20-d<BR>\n" );
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document.write( "(2) .1d +.25q = 2.90,,,,,,,,amt  of  money<BR>\n" );
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document.write( "subst (1)  into  (2)<BR>\n" );
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document.write( ".1d +.25(20-d) = 2.90<BR>\n" );
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document.write( ".1d -.25d +5 = 2.90<BR>\n" );
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document.write( "-.15 d = - 2.10<BR>\n" );
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document.write( "d=14,,,,,,,,,and  q=20-d = 6<BR>\n" );
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document.write( "check,,,.1(14) + .25(6) = 1.40 + 1.50 = 2.90,,,,,ok<BR>\n" );
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