how many 1x1x1 cubes can you fit in a 15x16x13 box? Select the correct option:
A) 3,200
B) 3,150
C) 3,448
D) 3,120
E) 2,980

Rationale: the answer is d ) 3,120 . a 1 x 1 x 1 cube has an area of 1 . the 15 x 16 x 13 box has an area of 3,120 . if you divide 3,120 by 1 , you get 3,120 . therefore the answer is d .
Answer: D