Heba ate 1/12 of a box of cereal now the box is 3/4 full what fraction of a full box was there before heba ate it

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

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

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation.