document.write( "Question 997433: Teresa has
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document.write( "$6.00 worth of change in nickels and dimes. If she has
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document.write( "4 times as many nickels as dimes, how many of each type of coin does she have?
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Algebra.Com's Answer #807685 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! n = number of nickels \n" ); document.write( "d = number of dimes\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5n + 10d = 600 \n" ); document.write( "n = 4d\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute the second equation into the first.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5(4d) + 10d = 600 \n" ); document.write( "20d + 10d = 600 \n" ); document.write( "30d = 600 \n" ); document.write( "d = 20\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "There are 20 dimes and 80 nickels. \n" ); document.write( " |