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September 21, 2014

September 21, 2014

Posted by **derek** on Sunday, January 24, 2010 at 4:15pm.

- maths -
**Ms. Sue**, Sunday, January 24, 2010 at 4:27pmMultiples of 7:

7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, etc.

Which of these is also divisible by 3 and whose digits add up to 9?

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