document.write( "Question 563774: A box of 40 coins contains nickels, dimes, and quarters. The total value of the coins is $4.00. If there were 3 times as many nickels, half as many dimes, and 6 more quarters, the value of the coins would be $5.50 How many quarters are in the box? Show work. \n" ); document.write( "
Algebra.Com's Answer #365030 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A box of 40 coins contains nickels, dimes, and quarters. The total value of the coins is $4.00. If there were 3 times as many nickels, half as many dimes, and 6 more quarters, the value of the coins would be $5.50 How many quarters are in the box? \n" ); document.write( "--------------------------- \n" ); document.write( "Equations: \n" ); document.write( "n + d + q = 40 coins \n" ); document.write( "5n +10d +25q = 400 cents \n" ); document.write( "3(5n)+5d+25(q+6) = 550 cents \n" ); document.write( "------------------------------ \n" ); document.write( "Solve the system by any means to get: \n" ); document.write( "# nickels = 12 \n" ); document.write( "# dimes = 24 \n" ); document.write( "# quarters = 4 \n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |