SOLUTION: The coin box of a vending machine contains 6 times as many quarters as dimes. If the total amount of money in quarters and dimes is $28.80, how many quarters and how many dimes are

Algebra ->  Equations -> SOLUTION: The coin box of a vending machine contains 6 times as many quarters as dimes. If the total amount of money in quarters and dimes is $28.80, how many quarters and how many dimes are      Log On


   



Question 105539: The coin box of a vending machine contains 6 times as many quarters as dimes. If the total amount of money in quarters and dimes is $28.80, how many quarters and how many dimes are in the box?
Answer by theidiot(3) About Me  (Show Source):
You can put this solution on YOUR website!
let x = the # of dimes
6x = the # of quarters
.1x+ .25(6x) = 28.8
.1x + 1.5x = 28.8
1.6x=28.8
x = 28.8 / 1.6
x = 18
6x = 6 x 18 = 108
18 dimes and 108 quarters