document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1021773>Question 1021773</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ron has 18 coins with a total value of $3.15. The coins are dimes and quarters. How many of each coin does he have? </SPAN>\n" );
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document.write( "D=dimes; Q=quarters<BR>\n" );
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document.write( "D+Q=18<BR>\n" );
document.write( "D=18-Q<BR>\n" );
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document.write( "$0.10D+$0.25Q=$3.15<BR>\n" );
document.write( "$0.10(18-Q)+$0.25Q=$3.15<BR>\n" );
document.write( "$1.80-$0.10Q+$0.25Q=$3.15<BR>\n" );
document.write( "$0.15Q=$1.35<BR>\n" );
document.write( "Q=9<BR>\n" );
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document.write( "D=18-Q=18-9=9<BR>\n" );
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document.write( "ANSWER: There are 9 dimes and 9 quarters.<BR>\n" );
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document.write( "CHECK:<BR>\n" );
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document.write( "$0.10D+$0.25Q=$3.15<BR>\n" );
document.write( "$0.10(9)+$0.25(9)=$3.15<BR>\n" );
document.write( "$0.90+$2.25=$3.15<BR>\n" );
document.write( "$3.15=$3.15<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );