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Question 5

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How many boxes of joint compound would be needed for a 16' high by 48' long wall that has been covered with sheetrock, if a half of a box (0.5 boxes)

of joint compound can finish 100 ft2 of sheetrock? Round your answer up to a full box.

OA.3 boxes

O B.4 boxes

OC. 5 boxes

O D. 6 boxes

Fig: 1