document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=136799>Question 136799</A>: <I><SPAN STYLE=\"word-break: break-all;\"> BETSY HAS A JAR CONTAINING 80 COINS, ALL OF WHICH ARE EITHER QUARTERS OR NICKLES. THE TOTAL VALUE OF THE COINS IS $ 14.60. HOW MANY OF EACH TYPE OF COIN DOES SHE HAVE?\r<BR>\n" );
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document.write( "CAN YOU PLEASE SHOW ME A SIMPLE FORMAT TO FOLLOW TO SOLVE MY PROBLEM AND HOW TO COME OUT WITH THE CORRECT ANSWER? <BR>\n" );
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document.write( "THANK,<BR>\n" );
document.write( "lj23kfuller@yahoo.com </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #100125 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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=100125\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Let \"x\" = # of coins for quarters<BR>\n" );
document.write( "    \"y\" = # of coins for nickels<BR>\n" );
document.write( "then, x + y = 80 coins, right? This will be equation 1.<BR>\n" );
document.write( "Next, when we multiply 0.25(quarter) by \"x\" (# of coins) + <BR>\n" );
document.write( "nickel (.05) multiply by \"y\" (# of coins) equals $14.60 isn't it?\r<BR>\n" );
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document.write( "Equating that fact,<BR>\n" );
document.write( "0.25x+0.05y=$14.60 and this is equation 2.<BR>\n" );
document.write( "Going back to equation 1, we get \"x = $80-y\" . Then substitue this value to x in equation 2,<BR>\n" );
document.write( "0.25($80-y)+0.05y=$14.60<BR>\n" );
document.write( "$20-0.25y+0.05y=$14.60<BR>\n" );
document.write( "$20-$14.60=0.20y<BR>\n" );
document.write( "y=27 coins (nickels)<BR>\n" );
document.write( "For x = 80-y= 80-27<BR>\n" );
document.write( "   x= 53 coins (quarter)<BR>\n" );
document.write( "To check:<BR>\n" );
document.write( "53quarters+27nickels = 80 coins<BR>\n" );
document.write( "also,<BR>\n" );
document.write( "0.25(53)+0.05(27)=$14.60<BR>\n" );
document.write( "$13.25+$1.35=$14.60<BR>\n" );
document.write( "$14.60=$14.60\r<BR>\n" );
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