Understanding Percentages
A percentage means “per hundred.”
50% means 50 out of 100.
Converting Percentages to Decimals
Divide the percentage by 100.
75% = 0.75
Finding a Percentage of a Number
To find 20% of 50:
0.20 × 50 = 10
Real-Life Uses
- Sales tax
- Discounts
- Interest rates
- Statistics
Practice Problems
- Find 10% of 80.
- Find 25% of 200.
- Convert 60% to a decimal.