ASSESSMENT: Solve for the unknown. 1. What is 13% of 540? 2. What percent of 45 is 20? 3. 16% of what number is 420? 4. 1/4% is 3/5 of what number? 5. 200 is what percent of 356? 6. 63% of 500 is what number? 7. What is 18% of 125? 8. 150% of what number is 225? 9. 18 is what percent of 80? 10. 1212% of 9 600 is what number?