Brett is building a fence around his yard. he has worked on it for two weeks so far. he finished 2/8 the first week and 3/8 the second week. what fraction of the entire fence has he built?

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters