In how many ways can 5 different keys be placed on a keychain?  (Two arrangements are considered the same if one can be rotated or flipped to be identical to the other.)
Question:
In how many ways can 5 different keys be placed on a keychain?  (Two arrangements are considered the same if one can be rotated or flipped to be identical to the other.)
Answer:
Let's think step by step.

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In how many ways can 5 different keys be placed on a keychain?  (Two arrangements are considered the same if one can be rotated or flipped to be identical to the other.)
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