Coin-cerned about Change

One of the canisters contains two nickels, one contains two dimes, and one contains one nickel and one dime. Each canister has been labeled incorrectly. The challenge is to determine what each canister holds by examining the contents of only one. Explain in words, pictures, or symbols how you would do this.






Extension: Try to find a way to correctly determine what coins are in each container by looking at only one coin from one container. How would you do this?

 

 

 

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