In a group of 50 patrons, 18 patrons like lattes, 16 patrons like espressos, and 8 patrons like both coffee drinks. How many patrons don't like either of the coffee drinks?
1 Answer
May 27, 2017
24
Explanation:
There are 50 patrons. Some like one kind of coffee, some another, some both, some neither.
Of the 18 patrons that like lattes, 8 of them also like espressos.
Of the 16 patrons that like espressos, 8 of also like lattes.
This means that we can say that the number of people who like only lattes is
We can also say that the number of patrons that only like espressos is
And now we have everything we need to do the complete breakdown: