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Unit 6: Percents – Percent of a Number Practice
Read each question carefully. Solve using a proportion in your math notebook.
Find the percent of each number. Use either method.
1. 20% of 50
3. 25% of 200
2. 50% of 80
4. 30% of 20
5. 80% of 35
10. 60% of 10 is what number
6. 16% of 70
11. What number is 15% of 30
7. 150% of 80
12. 25% of 47 is what number
8. 225% of 8
13. 10% of 84 is what number?
9. 5% of 12
14. 0.2% of 160
Solve.
15. Fun Tees is offering a 30% discount on all merchandise. Find the amount of
discount on a t-shirt that was originally priced at $15.99.
16. Shoe Style is discounting everything in the store by 25%. What is the sale price of
a pair of flip-flops that was originally priced at $10?
17. The United States Department of Agriculture recommends that women should
eat 25 grams of fiber each day. A granola bar provides 9% of that amount. How
many grams of fiber does it contain?
18. The percent of pure gold in 14-karat gold is about 58.3%. A 14-karat gold ring
weighs 5.6 grams. About how many grams of pure gold are in the ring?
19. The apparent magnitude of the star Mimosa is 1.25. Spica, another star, has an
apparent magnitude that is 78.4% of Mimosa’s. What is Spica’s apparent
magnitude?
𝑛
5
20. A student use the proportion
= to find 5% of 26. What did the student do
100
26
wrong?