step-by-step explanation: 1. 50 is 20% of what number 50 = 20% 50 = 20/100 50 • 100/20 250 2. what percent of 20 is 4 4/20 • 5/5 = 20 3. what number is 70% of 250 280 • 0.7 = 196 4. 10 is 5% of what number 10 = 5% 10 = 5/100 10 • 100/5 200 5. what number is 45% of 180 180 • 0.45 81 6. 40% of what number is 82 82 = 40% 82 = 40/100 82 • 100/40 205 7. what percent of 90 is 36 90/36 4 8. 60 is 25% of what number 60 = 25% 60 = 25/100 60 • 100/25 240 9. what number is 32% of 1,000 1,000 • 0.32 320 10. what percent of 125 is 5 5/125 • 100/100 = 4/100 4% 11. 70 is 20% of what number 70 = 20% 70 = 20/100 70 • 100/20 350 12. 65% of 140 is what number 140 • 0.65 91 13. what percent of 50 is 25 25/50 = 50 14. 25 is what percent of 125 125 = 25% 125 = 25/100 125 • 100/25 500
