SOLUTION: How many positive integers less than 1000 are multiples of 5 but NOT of 4 or 7?

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Question 1133817: How many positive integers less than 1000 are multiples of 5 but NOT of 4 or 7?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How many positive integers less than 1000 are multiples of 5 but NOT of 4 or 7?
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I doubt there's an algebraic solution to this.
Use Excel, and brute force it.