If the sum of 3 consecutive integers is x, which of the must be true?
I. x is even
II. x is odd
III. x is a multiple of 3  Choose the correct choice from the following choices
A) I only
B) II only
C) III only
D) I and III
E) II and III
sum of 3 consecutive integers   = (n) + (n+1) + (n+2)   =3n + 3   = odd + odd = even   = 3(n+1) = divisible by 3   Hence, x is even and divisible by 3.   Answer: I and III
<result>D</result>
If the sum of 3 consecutive integers is x, which of the must be true?
I. x is even
II. x is odd
III. x is a multiple of 3