Wednesday, January 6, 2010

How many numbers between 50 and 100 are divisible by 3?

How many numbers between 50 and 100 are divisible by 3?How many numbers between 50 and 100 are divisible by 3?
These are all divisible by 3:


51


54


57


60


63


66


69


72


75


78


81


84


87


90


93


96


99





There are 17 numbers.How many numbers between 50 and 100 are divisible by 3?
51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, and 99, so 17 total numbers.
All -- an infinite number.


E.g.: divide 57.9847863 by 3:


57.9847863/3

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