Practice Exercise 4

Percents

1. 20% of 320 1. __________

2. 85% of 90 2. __________

3. 3.5% of 50 3. __________

4. 25 is what percent of 200 4. __________

5. 36 is what percent of 40 5. __________

6. 15 is what percent of 75 6. __________

7. Janice weighs 180 pounds and hopes to

lose 15% of her weight in six months.

What will her weight be when she reaches

her new goal? 7. __________

8. A pair of jeans is on sale for 20% off. The

regular price is $48.50. What is the sale price? 8. __________

9. The markup on a vase was 35%.

Its wholesale price was $50.00.

What was the retail price? 9. __________

10. A savings account earns 3% simple interest

per year. If James puts $2000 in his account

for 2 years, how much interest will he earn? 10. __________

I = prt