document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=50238>Question 50238</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321127137/algebrahomeworkh>Intermediate algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I'm working on this coin problem and I can't seem to get the formula right for the equation. Here is what the problem gives as information:\r<BR>\n" );
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document.write( "A box currently contains 44 coins, consisting of pennies and dimes and quarters. the number of pennies is equal to the number of dimes, and the total value is $4.37. How may of each denominatin of coin does the box contain?\r<BR>\n" );
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document.write( "They have a table:\r<BR>\n" );
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document.write( "# of coins|deommination | value<BR>\n" );
document.write( "    x     |  .01        |  .01x<BR>\n" );
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document.write( "    x     |             |     <BR>\n" );
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document.write( "          |  0.25       |      <BR>\n" );
document.write( "                        |4.37 <-total\r<BR>\n" );
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document.write( "How do I formulate the equation from this world problem? (one i get the equation i can solve it but getting the equation is tricky).\r<BR>\n" );
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document.write( "thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #33359 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=33359\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A box currently contains 44 coins, consisting of pennies and dimes and quarters. the number of pennies is equal to the number of dimes, and the total value is $4.37. How may of each denominatin of coin does the box contain? <BR>\n" );
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document.write( "Let the number of pennies be \"x\".<BR>\n" );
document.write( "The value of those pennies is x cents.<BR>\n" );
document.write( "the number of dimes is also \"x\".<BR>\n" );
document.write( "The value of those dimes is 10x cents<BR>\n" );
document.write( "The number of quarters is \"44-x-x\"=44-2x<BR>\n" );
document.write( "The value of those quarters is 25(44-2x)=1100-50x cents<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "value + value + value = 437 cents<BR>\n" );
document.write( "x + 10x + 1100-50x = 437<BR>\n" );
document.write( "-39x = - 663<BR>\n" );
document.write( "x=17 ( number of pennies and number of dimes)<BR>\n" );
document.write( "44-2y=44=34=10  (  number of quarters)<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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