1.What is 60% of 50? rate | base | percent | | | | 2.what is 20% of 120? rate | base. | percent | 3.what is 3% of what number? rate. base. percent 4.45 is 30% of what number? rate base. percent 5.15 is 25% of what number? rate base. percent 6.72 is 80% of what number? rate. base percent 7.what percent of 20 is 3? rate base. percent 8.what percent of 150 is 22.5? rate. base. percent 9.what percent of 80 is 32?. rate. base. percent 10.what percent of 70 is 24.5 ? rate. base. percent