document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=238216>Question 238216</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A coin contains 60 coins, all dimes and quarters. The total amount is $11.40. How many quarters are there?<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 #175054 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=175054\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There is a typo here.\r<BR>\n" );
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document.write( "What do you mean a coin contains 60 coins?\r<BR>\n" );
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document.write( "I got your reply.\r<BR>\n" );
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document.write( "When solving coin problems set up a table having number, value and total.\r<BR>\n" );
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document.write( "dimes = x\r<BR>\n" );
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document.write( "value of a dime = 10 cents\r<BR>\n" );
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document.write( "total = 10x\r<BR>\n" );
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document.write( "quarters = 60 - x\r<BR>\n" );
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document.write( "value of a quarter = 25 cents\r<BR>\n" );
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document.write( "total = 25(60 - x)\r<BR>\n" );
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document.write( "Our equation is:\r<BR>\n" );
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document.write( "10x + 25(60 - x) = 1140\r<BR>\n" );
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document.write( "NOTICE: I deleted all decimals by converting each into a whole number.\r<BR>\n" );
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document.write( "It's easier working with whole numbers than with decimals.\r<BR>\n" );
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document.write( "10x + 1500 - 25x = 1140\r<BR>\n" );
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document.write( "-15x = -1500 + 1140\r<BR>\n" );
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document.write( "-15x = -360\r<BR>\n" );
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document.write( "x = -360/-15\r<BR>\n" );
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document.write( "x = 24\r<BR>\n" );
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document.write( "Number of quarters = 60 - 24 or 36\r<BR>\n" );
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document.write( "Understand?\r<BR>\n" );
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