document.write( "Question 1174287: Alex dumped out his piggy bank and there were only nickels, dimes, and quarters.\r
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document.write( "There were three times as many dimes as nickels, and 40 more quarters than nickels.\r
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document.write( "If the total amount of money was $17.20, how many of each type of coin were there? \n" );
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Algebra.Com's Answer #799705 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! nickels=N \n" ); document.write( "dimes=3N \n" ); document.write( "quarters=N+40 \n" ); document.write( ".05N+.10(3N)+.25(N+40)=17.20 \n" ); document.write( ".60N+10.00=17.20 \n" ); document.write( ".60N=7.20 \n" ); document.write( "N=12 nickels or $0.60 \n" ); document.write( "Dimes=36 or $3.60 \n" ); document.write( "quarters=N+40 or 52 or $13.00 \n" ); document.write( " \n" ); document.write( " |