56 of 100: Divisible By Three

Number Theory Level 1

If all four of these values are integers that are divisible by 3 ...

... then what statement must be true?

Test some values out if you're unsure. Assume you need to make the most all-encompassing statement possible.

A

is divisible by 9

B

is divisible by 9

C

is divisible by 9

A

and

B

are both divisible by 9

A,

B,

and

C

are all divisible by 9