Answer and Explanation
Your Answer is
Correct Answer is C
Explanation
According to the meaning of the question, we can know that black cubes and white cubes each account for half, so the number of white cubes is 5*5*4/2=50, choose C
45. The solid rectangular prism shown below was built by alternating congruent black cubes and white cubes such that 2 cubes of the same color have at most 1 edge touching. What is the total number of white cubes that were used to build the prism?
