A positive integer n satisfies the equation (n+1) !+(n+2) !=440 \cdot n !. What is the sum of the digits of n ?
Answer Choices
A. 2
B. 5
C. 10
D. 12
E. 15
A positive integer n satisfies the equation (n+1) !+(n+2) !=440 \cdot n !. What is the sum of the digits of n ?
Answer Choices
A. 2
B. 5
C. 10
D. 12
E. 15