Answer:
7. 8.
5 80 5,80 4 8000 4, 8000
7 112 7, 112 8 16,000 8, 16,000
9 144 9, 144 12 24,000 12, 24,000
11 176 11, 176 16 32,000 16, 32,000
Explanation:
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