document.write( "Question 1069023: A group of twenty-five coins, whose total value is $2.75, is composed of nickels, dimes, and quarters. If the nickels were dimes, the dimes were quarters, and the quarters were nickels, the total would be
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document.write( "$3.75. How many quarters are there in the collection? \n" );
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Algebra.Com's Answer #684271 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Write an equation for each phrase/statement \n" ); document.write( ": \n" ); document.write( "A group of twenty-five coins, composed of nickels, dimes, and quarters. \n" ); document.write( "n + d + q = 25 \n" ); document.write( ": \n" ); document.write( " whose total value is $2.75, \n" ); document.write( ".05n + .10d + .25q = 2.75 \n" ); document.write( ": \n" ); document.write( " If the nickels were dimes, the dimes were quarters, and the quarters were nickels, the total would be $3.75. \n" ); document.write( ".10n + .25d + .05q = 3.75 \n" ); document.write( ": \n" ); document.write( "using the matrix feature on your calc,enter \n" ); document.write( " 1, 1, 1, 25 \n" ); document.write( ".05 .1 .25 2.75 \n" ); document.write( ".1 .25 .05 3.75 \n" ); document.write( "you get: 10 nickels, 10 dimes, 5 quarters \n" ); document.write( " \n" ); document.write( "How many quarters are there in the collection? \n" ); document.write( " |