Mathematics, 24.04.2021 18:30 carlossauceda0

Ella collects dimes, quarters, half dollars, and $1 coins in her piggy bank. When she opens it, the number of dimes equals the number of half dollar coins. The number of quarters also equals the number of $1 coins. Knowing that there is at least one of each coin in the piggy bank and that the value of the coin collection is between $10 and $12, find the number of unique possible combinations of coins in the collection.

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