A public library has an aquarium in the shape of a rectangular prism. The base is 6 feet by 2.5 feet. The height is 4 feet. The fish has out grown the tank and needs a tank double the size. How could the library change the dimensions? (The top of the aquarium is open.) 1. double the height
2. Add 4 ft to the width
3. Divide the width by 2
4. Add 4 to the length