document.write( "Question 1039022: A collection of nickels, dimes, and quarters consist of \r
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document.write( "60 coins with a total of \r
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document.write( "$6.00. If there are \r
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document.write( "2 times as many dimes as quarters, find the number of each type of coins.
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Algebra.Com's Answer #653783 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A collection of nickels, dimes, and quarters consist of \r \n" ); document.write( "\n" ); document.write( "60 coins with a total of \r \n" ); document.write( "\n" ); document.write( "$6.00. If there are \r \n" ); document.write( "\n" ); document.write( "2 times as many dimes as quarters, find the number of each type of coins. \n" ); document.write( "---------- \n" ); document.write( "n + d + q = 60 \n" ); document.write( "d = 2q \n" ); document.write( "5n + 10d + 25q = 600 \n" ); document.write( "------ \n" ); document.write( "n + 3q = 60 \n" ); document.write( "5n + 45q = 600 --> n + 9q = 120 \n" ); document.write( "--- \n" ); document.write( "n + 9q = 120 \n" ); document.write( "n + 3q = 60 \n" ); document.write( "------------------ Subtract \n" ); document.write( "6q = 60 \n" ); document.write( "q = 10 quarters \n" ); document.write( "d = 20 dimes \n" ); document.write( "n = 30 nickels\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |