Question 1151151
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From the condition, the number of those who EITHER smoke OR chew is


    100 + 150 - 75 = 175.


The rest, 400-175 = 225, are NEITHER smokers NOR gum chewers.    <U>ANSWER</U>
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Solved, answered and completed.


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To learn the subject better, read the lesson

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/word/misc/Counting-elements-in-sub-sets-of-a-given-finite-set.lesson>Counting elements in sub-sets of a given finite set</A>

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