Strawberry cake and house number

Number Theory Level pending

You want to know how old my three daughters are. The product of my three daughter's ages is 72. Since you can't find out how old they are, I will give you another clue. The sum of their ages is equal to our two-digit house number. You step outside and see the house number, but still you can't figure out their ages. Then I gave you another clue, the oldest one likes strawberry cakes. After hearing that, you already know their ages.

Now that you know their ages, give me the average of their ages.

  • round off to the nearest two decimal places
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