If there are no green balls in the bag, the probability of drawing a green ball is zero.
This is a trick question. They eat 1/3 of the gallons given. Multiply
1/3 * 1/3 = 1/9 gallons or 0.111 gallons
When the linear dimensions are changed by a factor of 2, the area is changed by a factor of 2^2 = 4.
The total surface area is multiplied by 4.
96 cm^2
Each side has an area of 24 cm^2, so just multiply that by 4
