A grocer stacked oranges in a pile. The bottom layer was rectangular with 5 rows of 5 oranges each. In the second layer from the bottom, each orange rested on 4 oranges from the bottom layer, and in the third layer, each orange rested on 4 oranges from the second layer. Which of the following is the maximum number of oranges that could have been in the third layer? Select the correct option: A) 2 B) 4 C) 6 D) 7 E) 9
Bottom Layer = 5 x 5 = 25   IInd Layer = (5-1) x (5-1) = 16   IIIrd Layer = (4-1) x (4-1) = 9   Answer = 9 = 9
<result>E</result>
A grocer stacked oranges in a pile. The bottom layer was rectangular with 5 rows of 5 oranges each. In the second layer from the bottom, each orange rested on 4 oranges from the bottom layer, and in the third layer, each orange rested on 4 oranges from the second layer. Which of the following is the maximum number of oranges that could have been in the third layer?