SOLUTION: A vending machine has $41.25 in it. There are 255 coins total and the machine only accepts nickels, dimes and quarters. There are twice as many dimes as nickels. How many of each c

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: A vending machine has $41.25 in it. There are 255 coins total and the machine only accepts nickels, dimes and quarters. There are twice as many dimes as nickels. How many of each c      Log On

 

Hi

5x + 10(2x) + 25(255-3x) = 4125

          -50x = 4125-25*255 = -2250

             x = 45, nickels.  90 dimes and 120 Quarters

and...