Agirl owns 5 pairs of pants, 3 shirts, 2 ties, and 8 jackets. how many different outfits can the girl wear to school if each outfit must consist of one of each item?

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Area depends on the product of sides,

so if the sides are shortened by a factor of 2, area will reduce by a factor of 4. (2×2)

new area = 10/4=2.5 cm²