Respuesta :

12 feet 6 inches minus 3 feet 9 inches

12 x 12 = 144+6 = 150 inches

3 x 12 = 36 +9 =45 inches

150-45 = 105 inches

105/12 = 8.75 feet

.75*12 = 9

 8 feet 9 inches

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