Question: A group of friends consists of 5 people who play football, 4 who play basketball, and 2 who play both. How many friends play only one sport?
Options:
Correct Answer: 7
Solution:
To find the number of friends who play only one sport, we calculate: (Football only + Basketball only) = (5 - 2) + (4 - 2) = 3 + 2 = 5.
