Posted by **Tom** on Sunday, February 27, 2011 at 3:22pm.

The five-digit number 31d26

-----

is divisible by 3. Find the sum of

all possible values of d.

- Algebra -
**PsyDAG**, Monday, February 28, 2011 at 10:54am
I would insert values 0-9 and divide by three, adding those numbers that give whole number answers.

31026/3 = 10342 (That's one.)

- Algebra -
**jennifer**, Friday, December 2, 2011 at 1:03am
d must be divisible by 3, it must be 0,3,6,9 the sum is 18

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