In a survey of 150 people, 90 like tea, 70 like coffee, and 40 like both. How ma
Practice Questions
Q1
In a survey of 150 people, 90 like tea, 70 like coffee, and 40 like both. How many people like only coffee?
30
40
50
60
Questions & Step-by-Step Solutions
In a survey of 150 people, 90 like tea, 70 like coffee, and 40 like both. How many people like only coffee?
Step 1: Identify the total number of people who like coffee, which is 70.
Step 2: Identify the number of people who like both tea and coffee, which is 40.
Step 3: To find the number of people who like only coffee, subtract the number of people who like both from the total number of coffee lovers: 70 - 40.
Step 4: Calculate the result: 70 - 40 = 30.
Step 5: Therefore, the number of people who like only coffee is 30.
