E ehanes7612 Well-Known Member Joined Aug 21, 2010 Messages 4,320 Reaction score 36 Location seattle, wa Nov 11, 2018 #1 explanation of the trees math problem on the hallway chalkboard https://www.youtube.com/watch?v=iW_LkYiuTKE
explanation of the trees math problem on the hallway chalkboard https://www.youtube.com/watch?v=iW_LkYiuTKE