Elizabetta wants to write the integers 1 to 9 in the regions of the shape shown, with one integer in each region. She wants the product of the integers in any two regions that have a common edge to be not more than 15. In how many ways can she do this?
Select one option, then click Submit.
8
12
16
24
32
Select an option, then submit.
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Grey Kangaroo (2023)
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