SOLUTION: how many positive whole numbers less than 100 are divisible by 3, but not by 2?

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Question 981828: how many positive whole numbers less than 100 are divisible by 3, but not by 2?
Answer by Alan3354(69443) About Me  (Show Source):
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how many positive whole numbers less than 100 are divisible by 3, but not by 2?
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17
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It's every 6th number from 3 to 99
(99-3)/6 = 16
--> 3 + 6n, n = 0 ... 16
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0 to 16 is 17 numbers.