document.write( "Question 898072: you found $6.60 on the ground at school, all in nickels, dimes, and quarters. you have twice as many quarters as dimes and 42 coins in all. how many of each type of coin do you have? \n" ); document.write( "
Algebra.Com's Answer #544532 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! There are no pennies so we have three equations in three unknowns. \n" ); document.write( "The other tutor also had the number of quarters and dimes reversed \n" ); document.write( "n+d+q=42, \n" ); document.write( "2d=q, \n" ); document.write( "5n+10d+25q=660 \n" ); document.write( "d = 10, n = 12, q = 20 \n" ); document.write( " |