Re: positive intergers <= 100, divisible either 8 or 12?
Originally Posted by brianjasperman
QUESTION:
"Find the number of positive intergers not exceeding 100 that are not divisible by either 8 or 12. I get 84
This is the number of positive intergers not exceeding 100 that are divisible by either 8 or 12 $\displaystyle \left\lfloor {\frac{{100}}{8}} \right\rfloor + \left\lfloor {\frac{{100}}{{12}}} \right\rfloor - \left\lfloor {\frac{{100}}{{24}}} \right\rfloor $