The public library has an aquarium in the shape of arectangle prism . The base is 6 feet by 2.5 feet and the height is 4 feet . How many square feet of glass were used to build the aquarium (the top of the aquarium is open).
ends 2 * 2.5 * 4 =
sides 2 * 6 * 4 =
bottom 6*2.5 =
multiply and add