document.write( "Question 118486: Susan's change purse contains quarters, dimes, and nickels. She has twice as many nickels as quarters and four more nickels than dimes. She has a total of $5.10. How many coins of each kind does Susan have in her purse? \n" ); document.write( "
Algebra.Com's Answer #86608 by killahzsmilez(5)![]() ![]() ![]() You can put this solution on YOUR website! 25x + 10(2x-4) + 5(2x) = 510 \n" ); document.write( "25x + 20x - 40 + 10x = 510 \n" ); document.write( "45x - 40 + 10x = 510 \n" ); document.write( "55x - 40 = 510 \n" ); document.write( "55x = 550 \n" ); document.write( "x = 10 \r \n" ); document.write( "\n" ); document.write( "Check \n" ); document.write( "25(10)+10(2(10)-4)=510 \n" ); document.write( "250+10(20-4)+5(20)=510 \n" ); document.write( "250+10(16)+100=510 \n" ); document.write( "250+160+100=510 \n" ); document.write( "510=510\r \n" ); document.write( "\n" ); document.write( "There are 10 quarters, 16 dimes, and 20 nickels. \n" ); document.write( " |