There are x number of student in your class who like pizz and the rest like Mo:Mo. Let's count the number of student who like Mo:Mo and the total numbers of students. Then make an equation and find x

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