SOLUTION: A grocer has $6.80 in quarters, nickels, and pennies. There are twice as many nickels as quarters, and there are 14 more pennies than nickels. How many of each kind of coin does th

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: A grocer has $6.80 in quarters, nickels, and pennies. There are twice as many nickels as quarters, and there are 14 more pennies than nickels. How many of each kind of coin does th      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 1098311: A grocer has $6.80 in quarters, nickels, and pennies. There are twice as many nickels as quarters, and there are 14 more pennies than nickels. How many of each kind of coin does the grocer have?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
quarters=x
nickels=2x
pennies=2x+14
.25x+.05(2x)+.01(2x+14)=6.80
.37x+.14=6.80
.37x=6.66
x=18 quarters (4.50)
2x=36 nickels (1.80)
2x+14=50 pennies (0.50)
=6.80