If 2 * 5 = 48, 4 * 7 = 120 then 7 * 9 = ?
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Answer:252
Step-by-step explanation:2 * 5 = 48.
(2 * 3) * (5 + 3) = 6 * 8 = 48.
4 * 7 = 120.
(4 * 3) * (7 + 3) = 12 * 10 = 120.
Likewise for 7 * 9:
(7 * 3) * (9 + 3) = 21 * 12 = 252.
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