P – EC – PP19

Would your estimate of books in the pile be more or less than 120?

P – EC – PP20

Would your estimate of books in the pile be less than 120?

P – EC – PP21

True or False? There are about 100 books in the pile.

P – EC – PP6

Would your estimate of people in line be more or less than 100?

P – EC – PP7

Would your estimate of people in line be more than 100?

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