wikiHow Calculating Percentages Practice Problems 1. What is 20% of 250? 2. If a shirt costs $40 and is on sale for 20% off, what is the sale price? 3. What is 10% of 5000? 4. If a restaurant bill is $100 and the tip is 15%, what is the total cost including tip? 5. If a store has a 25% off sale and a shirt originally costs $60, what is the sale price? 6. What is a 7.5% sales tax on a $75 purchase? 7. If a company had a profit of $100,000 on $500,000 in sales, what is the profit margin as a percentage? 8. If a pizza has 12 slices and you eat 3 slices, what percentage of the pizza did you eat? 9. If a class has 20 students and 10 of them are female, what percentage of the class is female? 10. If a job pays $25 per hour and you work 40 hours per week, what is your weekly pay before taxes? 11. If a school has 800 students and 60% of them play a sport, how many students play a sport? 12. If you scored 75 out of 100 on a test, what percentage did you score? 13. If a store marks up a product by 30% and the cost to the store is $20, what is the selling price? 14. If a person invested $5000 and it grew to $6000, what was the percentage increase? 15. If a product originally cost $50 and is now on sale for 40% off, what is the sale price? 16. If a recipe calls for 3 cups of sugar and you only have 2 cups, what percentage of the sugar do you have? 17. If a company's revenue was $1,000,000 and their expenses were $800,000, what is the profit margin as a percentage? 18. If a car originally cost $30,000 and is now on sale for 15% off, what is the sale price? 19. If a person burned 500 calories in a workout and their goal was to burn 700 calories, what percentage of their goal did they achieve? 20. If a hotel room costs $200 per night and you stay for 5 nights, what is the total cost before taxes and fees? Page