In a group of 90 people, 50 like reading, 40 like writing, and 20 like both. How many like only writing?
Practice Questions
1 question
Q1
In a group of 90 people, 50 like reading, 40 like writing, and 20 like both. How many like only writing?
20
30
10
40
People who like only writing = Total writing lovers - Both reading and writing lovers = 40 - 20 = 20.
Questions & Step-by-step Solutions
1 item
Q
Q: In a group of 90 people, 50 like reading, 40 like writing, and 20 like both. How many like only writing?
Solution: People who like only writing = Total writing lovers - Both reading and writing lovers = 40 - 20 = 20.
Steps: 5
Step 1: Identify the total number of people who like writing, which is 40.
Step 2: Identify the number of people who like both reading and writing, which is 20.
Step 3: To find the number of people who like only writing, subtract the number of people who like both from the total number of writing lovers: 40 - 20.
Step 4: Calculate the result: 40 - 20 = 20.
Step 5: Conclude that 20 people like only writing.
