Asked by lou

Cory has a collection of nickels, dime and quarters with a total value of 2.55. There are 6 more dimes than nickels and twice as many quarters as nickels. How many of each coin is in her collection?
Answered by Reed
What is "argosy"? This is a math problem. If you want a tutor in your subject, please use the School Subject box to say so.
Answered by Steve
just put the words into math:

5n+10d+25q = 255
d = n+6
q = 2n

now just solve for the values.
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