Help? Which of the following helps you to determine that 369 is divisible by 3?
A The first digit is a 3.
B 9 is divisible by 3.
C 69 is divisible by 3.
D 3+6+9 is divisible by 3.
(Thanks

Question

Help?  Which of the following helps you to determine that 369 is divisible by 3?
A  The first digit is a 3.
B   9 is divisible by 3.
C  69 is divisible by 3.
D  3+6+9 is divisible by 3.
(Thanks<3)

anonymous · Answer

Giving easy Medals (If right)

anonymous · Answer

retty sure it's D. it's a little trick :)

parthkohli · Answer

If you have to determine if any number is divisible by 3, then you add up all its digits

parthkohli · Answer

and then you see if THAT thing is divisible by 3 or not

anonymous · Answer

Oh I see!

parthkohli · Answer

So basically you add up all the digits ---> 3 + 6 + 9 and check if that is divisible by 3.

parthkohli · Answer

@WhiteFlower giving medals isn't about giving the correct answer, it is about being explained well.