What is the maximum number of pieces of birthday cake of size 3” by 3” that can be cut from a cake 21” by 21”?\nOptions:\n(A) 5\n(B) 7\n(C) 49\n(D) 20\n(E) 25 Let's think first. Stream of consciousness:
User
The prompt is essentially asking for the maximum number of 3x3 squares that can be cut from a larger 21 by 21 square. Since each 'row' and each 'column' of the larger square can be sub-divided into 7 'pieces' each, we have (7)(7) = 49 total smaller squares (at maximum).
So, the answer is (C).
Assistant