document.write( "Question 431023: Beth has 24 coins worth $2.80. Her coins are nickels,dimes, and quaters.The number of dimes equals the sum of the number of quaters and nickels. How many dimes does she have? \n" ); document.write( "
Algebra.Com's Answer #320709 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! n+d+q=24 \n" ); document.write( "n+(d+q)+q=24 \n" ); document.write( "2n+2q=24 \n" ); document.write( "5n+10d+25q=280 \n" ); document.write( "5n+10(n+q)+25q=280 \n" ); document.write( "5n+10n+10q+25q=280 \n" ); document.write( "15n+35q=280 \n" ); document.write( "30n+30q=360 \n" ); document.write( "30n+70q=560 \n" ); document.write( "40q=200 \n" ); document.write( "q=5 \n" ); document.write( "n=7 \n" ); document.write( "d=12 \n" ); document.write( "Beth has 7 nickels, 12 dimes, and 5 quarters.. \n" ); document.write( " |