document.write( "Question 780832: there are a total of 38 coins. The total value of the coins is $3.70. There are twice as many dimes as quarters. find the number of nickles, dimes and quarters in the meter \n" ); document.write( "
Algebra.Com's Answer #475699 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! there are a total of 38 coins. The total value of the coins is $3.70. There are twice as many dimes as quarters. find the number of nickles, dimes and quarters in the meter \n" ); document.write( "*** \n" ); document.write( "let x=number of quarters \n" ); document.write( "2x=number or dimes \n" ); document.write( "quarters+dimes+nickels=38 \n" ); document.write( "number of nickels=38-(quarters+dimes)=38-3x \n" ); document.write( ".. \n" ); document.write( ".25x+.10(2x)+.05(38-3x)=3.70 \n" ); document.write( ".25x+.20x+1.9-.15x=3.70 \n" ); document.write( ".30x=1.8 \n" ); document.write( "x=6 \n" ); document.write( "2x=12 \n" ); document.write( "38-3x=20 \n" ); document.write( "number of quarters=6 \n" ); document.write( "number or dimes=12 \n" ); document.write( "number of nickels=20 \n" ); document.write( " |