Math worksheet for practicing percentage calculations.

The image contains a worksheet titled "Find the Part, Whole, or Percent." The task involves solving problems related to percentages. Below is a detailed explanation of how to solve each type of problem:

General Formulas:

1. Part = Percent × Whole
2. Percent = (Part / Whole) × 100
3. Whole = Part / Percent

Problem Types:

- Finding the Part: Given the Percent and Whole, find the Part.
- Finding the Percent: Given the Part and Whole, find the Percent.
- Finding the Whole: Given the Part and Percent, find the Whole.

Step-by-Step Solutions:

#### 1. What is 20% of 80?
- Formula: Part = Percent × Whole
- Calculation: \( 20\% \times 80 = 0.20 \times 80 = 16 \)
- Answer: 16

#### 2. 12 is 75% of what number?
- Formula: Whole = Part / Percent
- Calculation: \( 12 / 0.75 = 16 \)
- Answer: 16

#### 3. 6 is what percent of 8?
- Formula: Percent = (Part / Whole) × 100
- Calculation: \( (6 / 8) \times 100 = 0.75 \times 100 = 75\% \)
- Answer: 75%

#### 4. 8 is 40% of what number?
- Formula: Whole = Part / Percent
- Calculation: \( 8 / 0.40 = 20 \)
- Answer: 20

#### 5. 13.5% of what number is 24?
- Formula: Whole = Part / Percent
- Calculation: \( 24 / 0.135 = 178.18 \) (approximately)
- Answer: 178.18

#### 6. What is 312 of 400?
- Formula: Part = Percent × Whole
- Calculation: \( 312 / 400 = 0.78 \times 100 = 78\% \)
- Answer: 78%

#### 7. What is 72% of 32?
- Formula: Part = Percent × Whole
- Calculation: \( 0.72 \times 32 = 23.04 \)
- Answer: 23.04

#### 8. 12 is 50% of what number?
- Formula: Whole = Part / Percent
- Calculation: \( 12 / 0.50 = 24 \)
- Answer: 24

#### 9. What is 87.5% of 150?
- Formula: Part = Percent × Whole
- Calculation: \( 0.875 \times 150 = 131.25 \)
- Answer: 131.25

#### 10. 25 is what percent of 100?
- Formula: Percent = (Part / Whole) × 100
- Calculation: \( (25 / 100) \times 100 = 25\% \)
- Answer: 25%

#### 11. 60 is 45% of what number?
- Formula: Whole = Part / Percent
- Calculation: \( 60 / 0.45 = 133.33 \) (approximately)
- Answer: 133.33

#### 12. 13 is what percent of 200?
- Formula: Percent = (Part / Whole) × 100
- Calculation: \( (13 / 200) \times 100 = 6.5\% \)
- Answer: 6.5%

#### 13. 3500 is what percent of 13500?
- Formula: Percent = (Part / Whole) × 100
- Calculation: \( (3500 / 13500) \times 100 = 25.93\% \) (approximately)
- Answer: 25.93%

#### 14. 8 is 17.5% of what number?
- Formula: Whole = Part / Percent
- Calculation: \( 8 / 0.175 = 45.71 \) (approximately)
- Answer: 45.71

#### 15. What is 0.5% of 30?
- Formula: Part = Percent × Whole
- Calculation: \( 0.005 \times 30 = 0.15 \)
- Answer: 0.15

#### 16. 15 is what percent of 40?
- Formula: Percent = (Part / Whole) × 100
- Calculation: \( (15 / 40) \times 100 = 37.5\% \)
- Answer: 37.5%

#### 17. What percent of 60 is 75?
- Formula: Percent = (Part / Whole) × 100
- Calculation: \( (75 / 60) \times 100 = 125\% \)
- Answer: 125%

#### 18. 45 is 80% of what number?
- Formula: Whole = Part / Percent
- Calculation: \( 45 / 0.80 = 56.25 \)
- Answer: 56.25

#### 19. What is 150% of 30?
- Formula: Part = Percent × Whole
- Calculation: \( 1.50 \times 30 = 45 \)
- Answer: 45

#### 20. What is 41% of 325?
- Formula: Part = Percent × Whole
- Calculation: \( 0.41 \times 325 = 133.25 \)
- Answer: 133.25

Final Answers:

1. 16
2. 16
3. 75%
4. 20
5. 178.18
6. 78%
7. 23.04
8. 24
9. 131.25
10. 25%
11. 133.33
12. 6.5%
13. 25.93%
14. 45.71
15. 0.15
16. 37.5%
17. 125%
18. 56.25
19. 45
20. 133.25

Final Answer:
\boxed{16, 16, 75\%, 20, 178.18, 78\%, 23.04, 24, 131.25, 25\%, 133.33, 6.5\%, 25.93\%, 45.71, 0.15, 37.5\%, 125\%, 56.25, 45, 133.25}