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Question

Can someone please help with this question? Is there any method/formula  to find this instead of checking manually ?

Answer

Every time Amanda made a fold, the number of parts doubled.

Made 1 fold -> 2 parts

Made 2 folds -> 4 parts, or 2²

Made 3 folds -> 8 parts, or 2³

So 5 folds -> 25 parts = 32

Number of creases is always 1 less than number of parts.

So after 5 folds, there were (32 – 1) = 31 creases

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Thank you very much for help

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