Question

How many 3-coin combinations exist if we can choose from

Answer 1

There are four numbers of 3-coin combinations if we can choose from nickels, dimes, quarters, and half-dollars.

How to solve probability combinations?

The coins to select from are nickels, dimes, quarters, and half-dollars;

Thus;

Coins (n) = 4

The number of coin to select is:

Coin (r) = 3

The coin combination is then calculated using:

Combination = ⁴C₃

Apply the combination formula, we have;

Combination = 4

Thus, there are four number 3-coin combinations if we can choose from nickels, dimes, quarters, and half-dollars.

Read more about combinations at; brainly.com/question/4658834

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