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Math

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In a candy shop, the shopkeeper allows the exchange of 3 sweet rappers for 1 new sweet. John has 81 sweets at first. What is the largest possible number of sweets that john could have eaten?

(with solution pls... tnx...)

  • Math -

    81 wrappers gets 27 more
    27 wrappers gets 9 more
    9 wrappers gets 3 more
    3 wrappers gets 1 more
    81+27+9+3+1 = 121

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