Task: Question Answering
Input (English): The length and width of a certain rectangle are both decreased by 50 percent. If the length and width of the new rectangle are then increased by 40 percent, the area of resulting rectangle is what percent less than the area of the original rectangle?
(A)10\% (B)45\% (C)49\% (D)51\% (E)90\%
Output (English): D