kcgotgame kcgotgame 17-12-2020 Mathematics contestada Dave is hanging dry wall in his house with square rooms. He completes on average 2/3 of a wall in 1/2 of an hour. What is Daves rate of completion expressed in walls per hour? A. 1/3 B. 3/4 C. 1 1/6 D. 1 1/3