300
A rectangular prism has a square base that is 4 cm by 4 cm and a height of 8 cm. First, reduce the rectangular prism so it is half its original size. Then, find the surface area of the new prism. Finally, write a ratio of the old surface area to the new surface area.
What is 1. 2 cm by 2 cm by 4 cm, 2. 40 cm2 for the smaller prism and 160 cm2 for the larger prism, and 3. 160:40 or 4:1 simplified?