Here is a riddle, can you figure it out?

[average]

Two coins equal 55 cents, one is not a nickel..........what two are they?

10 points to the first person who gets it right.

 

[MHEM]

50 cents coin and a 5 cent coin. The other one is a nickel.

 

[ThirdEarthAge]

One is not a nickel but the other one is.

You have a half dollar and a nickel.

 

[bob1]

a 50 cent and a nickel..1 isnt a nickel but the other is