Percentage of a Quantity Worksheet
Grade 8 math worksheet focusing on calculating the percentage of a given quantity, including real-world problems.
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Percentage of a Quantity
Name:
Date:
Score:
Read each question carefully and calculate the percentage of the given quantity. Show all your work.
1. What is 25% of 80?
2. Calculate 15% of 300.
3. Find 70% of 120.
4. If a shirt costs $40 and is on sale for 10% off, the discount amount is .
5. A class has 30 students. If 60% of them are girls, then there are girls in the class.
6. Out of 200 apples, 5% are rotten. This means apples are rotten.
7. What is 50% of 240?
12
120
24
240
8. A bag contains 150 marbles. If 20% of them are blue, how many blue marbles are there?
15
20
30
40
9. A student scored 85% on a test with a total of 60 questions. How many questions did the student answer correctly?
10. Sarah earned $3,000 last month. She saved 30% of her earnings. How much money did she save?
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