The 5 \times 5 grid shown contains a collection of squares with sizes from 1 \times 1 to 5 \times 5. How many of these squares contain the black center square?
Answer Choices
A. 12
B. 15
C. 17
D. 19
E. 20
The 5 \times 5 grid shown contains a collection of squares with sizes from 1 \times 1 to 5 \times 5. How many of these squares contain the black center square?
Answer Choices
A. 12
B. 15
C. 17
D. 19
E. 20