n a class of 40 students 20% are girls. how many boys are there in the class?
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n a class of 40 students 20% are girls. how many boys are there in the
class?
Quick Scoop
In a class of 40 students , 20% are girls. The task is to find out how many boys there are. Let’s break this down clearly and neatly 👇
Step-by-Step Solution
- Total students in the class: 40
- Percentage of girls: 20%
- Number of girls = 20% of 40
Number of girls=20100×40=8\text{Number of girls}=\frac{20}{100}\times 40=8Number of girls=10020×40=8
- Number of boys = Total students - Number of girls
Number of boys=40−8=32\text{Number of boys}=40-8=32Number of boys=40−8=32
✅ Therefore, there are 32 boys in the class.
Quick Summary Table
| Category | Value |
|---|---|
| Total Students | 40 |
| Percentage of Girls | 20% |
| Number of Girls | 8 |
| Number of Boys | 32 |
Mini Insight 💡
It’s always good to remember that percent just means “out of 100.”
So 20% of anything is one-fifth of it. In this case, one-fifth of 40 is 8 —
leaving the rest, 32, as boys.
“When the percentages add up, the numbers always tell the full story!”
TL;DR:
Out of 40 students, 8 are girls → 32 are boys. Information gathered from
public forums or data available on the internet and portrayed here.
