📚 What is a Percentage?
A percentage is a way of expressing a number as a fraction of 100. The word "percent" comes from Latin "per centum" meaning "by the hundred".
When we say 25%, we mean 25 out of 100, or 25/100, or 0.25 as a decimal.
Percentage = (Part / Whole) × 100
✨ Visual Understanding
Think of a pizza divided into 100 slices:
1
If you eat 25 slices, you've eaten 25% of the pizza
2
If you eat 50 slices, you've eaten 50% (half) of the pizza
3
If you eat all 100 slices, you've eaten 100% of the pizza
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If a class has 100 students and 30 are boys, what percentage are boys?
Since there are 100 students total, the number of boys IS the percentage!
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