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The number of  positive intergers that are less than 400 and that are not divisible by 2 of 3 is.

 Feb 3, 2022
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There are \(200\) integers that are divisible by \(2\) 

 

There are \(133\) integers that are divisible by \(3\)

 

We need to account for multiples of both \(2\) and \(3\)

 

There are \(66\) intergers that are divisble by \(6\)

 

So, there are \(400-200-133+66 = \color{brown}\boxed{133}\)

 

i might have messed up somewhere, these questions are easy to slip up on.

 Feb 3, 2022

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