document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=751202>Question 751202</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mrs Boyd has a desk full of quarters and dimes. If she has a total of 54 coins with a face value of $12.30. How many of each coin does she have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #457464 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=457464\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = quarters  y = dimes\r<BR>\n" );
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document.write( "x   + y   = 54...(1)<BR>\n" );
document.write( "25x + 10y = 1230 ....(2)\r<BR>\n" );
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document.write( "Multiply (1) by 10\r<BR>\n" );
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document.write( "10x + 10y = 540 ....(3)<BR>\n" );
document.write( "25x + 10y = 1230....(2)\r<BR>\n" );
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document.write( "Subtract (2) from (3)\r<BR>\n" );
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document.write( "15x       =  690<BR>\n" );
document.write( "  x       =  46\r<BR>\n" );
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document.write( "substitute x = 46 into Eq (1)\r<BR>\n" );
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document.write( "x + y = 54<BR>\n" );
document.write( "46 + y = 54<BR>\n" );
document.write( "     y = 54 - 46<BR>\n" );
document.write( "     y = 8<BR>\n" );
document.write( "Therefore there are 46 quarters + 8 dimes\r<BR>\n" );
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document.write( "Hope this helps<BR>\n" );
document.write( ":-) </SPAN>\n" );
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