Answer:
7 pies
Explanation:
2 x 8=16 - the cafeteria supplied 16 slices
72-16 = 56
56/8 = 7
36
divide the 72 pieces by 2, you already know that 6 + 6 is 12, and 30 +30 is 60, so add 60 and 12 and you get 72
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