Terry's mom brought home 4 different colored dogs from the shelter. The brown dog weighs 4 pounds. The black dog weighs 1 pound more than the brown dog. The white dog weighs twice as much as the brown dog. The grey dog weighs 2 pounds less than the black dog. What's the average weight of all the dogs?
Since the black dog weighs 1 pound more than the brown dog, the black dog weighs 1 + 4 = <<1+4=5>>5 pounds.
The white dog weighs 4 * 2 = <<4*2=8>>8 pounds.
Because the grey dog weighs 2 pounds less than the black dog, the grey dog weighs 5 - 2 = <<5-2=3>>3 pounds.
The total weight of all dogs is 4 + 5 + 8 + 3 = <<4+5+8+3=20>>20 pounds.
The average weight of all the dogs is 20 / 4 = <<20/4=5>>5 pounds.
#### 5