In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Example Input: Problem: carol and jordan draw rectangles of equal area . if carol ' s rectangle measures 15 inches by 20 inches and jordan ' s rectangle is 6 inches long , how wide is jordan ' s rectangle , in inches ? 
Options: a ) 20 , b ) 30 , c ) 40 , d ) 50 , e ) 60
Example Output: d

Example Input: Problem: huey ' s hip pizza sells two sizes of square pizzas : a small pizza that measures 8 inches on a side and costs $ 10 , and a large pizza that measures 12 inches on a side and costs $ 20 . if two friends go to huey ' s with $ 30 apiece , how many more square inches of pizza can they buy if they pool their money than if they each purchase pizza alone ? 
Options: a ) 5 square inches , b ) 10 square inches , c ) 16 square inches , d ) 25 square inches , e ) 350 square inches
Example Output: c

Example Input: Problem: if each side of a rectangle is increased by 50 % with the length being double the width , find the percentage change in its area ? 
Options: a ) 284 % , b ) 276 % , c ) 265.25 % , d ) 284.5 % , e ) 275 %
Example Output:
e