document.write( "Question 417966: Kelly has a collection of nickels, dimes, and quarters with a total value of $7.30. There are five more nickels than dimes and twice as many quarters as nickels. How many of each coin is in her collection?
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document.write( " ? nickels
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document.write( " ? dimes
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document.write( " ? quarters \n" );
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Algebra.Com's Answer #292569 by mananth(16946)![]() ![]() You can put this solution on YOUR website! dimes x \n" ); document.write( "nickels x+5 \n" ); document.write( "quarters2(x+5) \n" ); document.write( "Value 7.30 \n" ); document.write( "10x+5(x+5)+25*2(x+5)=730 \n" ); document.write( "10x+5x+25+50x+250=730 \n" ); document.write( "65x+275=730 \n" ); document.write( "65x=730-275 \n" ); document.write( "65x=455 \n" ); document.write( "/65 \n" ); document.write( "x=7 Dimes \n" ); document.write( "Nickels 12 \n" ); document.write( "quarters=24 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |