9 thoughts on “Wednesday’s Teaser Solution”

      1. I’m not sure what you mean, Max. The question said she made 80 sandcastles over 5 days.
        24 + 20 + 16 + 12 + 8 = 80
        On the next say she would build 4 less, so 4 castles (8 – 4 = 4)
        80 + 4 = 84

        Does that help?

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