A group of friends consists of 5 who like football, 4 who like basketball, and 2
Practice Questions
Q1
A group of friends consists of 5 who like football, 4 who like basketball, and 2 who like both. How many friends like only football?
3
4
5
2
Questions & Step-by-Step Solutions
A group of friends consists of 5 who like football, 4 who like basketball, and 2 who like both. How many friends like only football?
Step 1: Identify the total number of friends who like football. This number is given as 5.
Step 2: Identify the number of friends who like both football and basketball. This number is given as 2.
Step 3: To find the number of friends who like only football, subtract the number of friends who like both from the total number of friends who like football.
Step 4: Perform the calculation: 5 (total football fans) - 2 (both football and basketball fans) = 3.
Step 5: The result is that 3 friends like only football.
Set Theory – Understanding how to calculate the number of elements in overlapping sets.
Basic Arithmetic – Performing simple subtraction to find the number of friends who like only one sport.
