Let's solve each of these percentage problems step by step.
The general formula to find
what percent of a number is another number is:
$$
\text{Percent} = \left( \frac{\text{Part}}{\text{Whole}} \right) \times 100
$$
We'll apply this formula to each question.
---
1. What percent of 70 is 24?
$$
\frac{24}{70} \times 100 = 0.342857 \times 100 \approx 34.29\%
$$
✔ Answer: 34.29%
---
2. What percent of 30 is 21?
$$
\frac{21}{30} \times 100 = 0.7 \times 100 = 70\%
$$
✔ Answer: 70%
---
3. What percent of 70 is 19?
$$
\frac{19}{70} \times 100 = 0.271428 \times 100 \approx 27.14\%
$$
✔ Answer: 27.14%
---
4. What percent of 50 is 18?
$$
\frac{18}{50} \times 100 = 0.36 \times 100 = 36\%
$$
✔ Answer: 36%
---
5. What percent of 180 is 60?
$$
\frac{60}{180} \times 100 = \frac{1}{3} \times 100 \approx 33.33\%
$$
✔ Answer: 33.33%
---
6. What percent of 10 is 2?
$$
\frac{2}{10} \times 100 = 0.2 \times 100 = 20\%
$$
✔ Answer: 20%
---
7. What percent of 270 is 108?
$$
\frac{108}{270} \times 100 = 0.4 \times 100 = 40\%
$$
✔ Answer: 40%
---
8. What percent of 80 is 42?
$$
\frac{42}{80} \times 100 = 0.525 \times 100 = 52.5\%
$$
✔ Answer: 52.5%
---
9. What percent of 90 is 63?
$$
\frac{63}{90} \times 100 = 0.7 \times 100 = 70\%
$$
✔ Answer: 70%
---
10. What percent of 120 is 36?
$$
\frac{36}{120} \times 100 = 0.3 \times 100 = 30\%
$$
✔ Answer: 30%
---
✔ Final Answers:
| Question | Answer |
|--------|--------|
| What percent of 70 is 24? |
34.29% |
| What percent of 30 is 21? |
70% |
| What percent of 70 is 19? |
27.14% |
| What percent of 50 is 18? |
36% |
| What percent of 180 is 60? |
33.33% |
| What percent of 10 is 2? |
20% |
| What percent of 270 is 108? |
40% |
| What percent of 80 is 42? |
52.5% |
| What percent of 90 is 63? |
70% |
| What percent of 120 is 36? |
30% |
Let me know if you'd like these rounded to a specific decimal place or explained further!
Parent Tip: Review the logic above to help your child master the concept of percentage worksheets.
