Question 1196238
.
 In a survey of 120 consumers conducted in a shopping mall, 76 consumers indicated that they buy 
Brand A of a certain product, 66 buy Brand B, and 48 buy both brands. How mar consumers participating 
in the survey buy the following? (a) at least one of these brands {{{highlight(cross(consumers))}}} ?
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<pre>
We add two basic quantities and subtract the intersection number


    76 + 66 - 48 = 94.


We subtract the intersection in order for do not count it twice.


<U>ANSWER</U>.  94 customers bought at least one of these brands.
</pre>

Solved, answered and explained.


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