Pasagot po pls Brainliest ko po yung tama ang sagot.<3

Answer:
21. Percentage; ₱66.3
22. Percentage; 31.5
23. Base; 20
24. Base; ₱600
25. Base; ₱66.67
26. Base; 50
27. Rate; 400%
28. Rate; 25%
29. Base; 50
30. Base; 500
Formula:
Percentage = Rate x Base