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1. What percentage of 1000 is 250?
2. If a shirt costs $50, what percentage of it is $35?
3. What is 10% of 4000?
4. If 50 is 25% of a number, what is that number?
5. 90% of 900 is what number?
6. 800 is 25% of what number?
7. What percentage of 500 is 75?
8. If $45 is 20% of a number, what is that number?
9. 2400 is 10% of what number?
10. What is 500% of 20?