Respuesta :

9(15) = 135

Option A: 9(1 + 5) = 9 + 45 = 54

Option B: 9(10 + 5) = 90 + 45 = 135

Option C: 9(1 + 50) = 9 + 450 = 459

Option D: 9(10 + 50) = 90 + 450 = 540

Hence, the answer is B.

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