Posted by kristin on Wednesday, January 13, 2010 at 11:15pm.
Please type in the subject, not the grade level.
If the number is even and divisible by 3, it must also be divisible by 6.
The number itself must be less than 60/3 (20) and greater than 40/3, which (for an integer) would make it 14 or greater
There is only one number between 13 and 19 that is divisible by 6.
That will be your "secret number".
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