identify the base,rate and percentage.
1. given : 20%of 80 is 16
base:80
2. given: 60%50 is 30
rate:20%
3.given: 27 is 45% of 60
rate:45
4.given: 19 is 95% of 20
percentage:19
5. given:13% of 300 is 39
base:300​