Posted by **justin** on Tuesday, January 25, 2011 at 5:09pm.

lionel says the digits in his mystery number have a sum of 6. you say this mystery number if you count by 3's or count by 4's. what is lionel's mystery number?

- math -
**Ms. Sue**, Tuesday, January 25, 2011 at 5:14pm
12, 15, 18, 21, 24, 27, 30

12, 16, 20, 24, 28, 32

Which of those numbers meets the description?

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