This Problem Set is a part of the Lesson 12, Unit 5, Grade 8. Sketch a cube and label its side length as 4 cm (this will be Cube A). Sketch a cube with sides that are twice as long as Cube A and label its side length (this will be Cube B). Find the volumes of Cube A and Cube B. Several glass aquariums of various sizes are for sale at a pet shop. They are all shaped like rectangular prisms. A 15-gallon tank is 24 inches long, 12 inches wide, and 12 inches tall. Match the dimensions of the other tanks with the volume of water they can each hold.