In a class of 30 students, 18 are girls. What percentage of the class are boys?
Question
In a class of 30 students, 18 are girls. What percentage of the class are boys?
Solution
1. ### Break Down the Problem
To find the percentage of boys in the class, we first need to determine how many boys are in the class. We can do this by subtracting the number of girls from the total number of students.
2. ### Relevant Concepts
The formula to find the percentage of boys is:
3. ### Analysis and Detail
- Total number of students = 30
- Number of girls = 18
- Number of boys = Total number of students - Number of girls
- Now, we can plug the number of boys into the percentage formula:
4. ### Verify and Summarize
Calculating the percentage:
Final Answer
The percentage of the class that are boys is 40%.
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