Percent Examples : 0%, 55%, 2%, .02%, 150% .2 is 20% since .2=2/10 => 20/100 = 20% 
Content Problems are below Percent Problems from Actual SAT's 
Question Number 1 CONTENT PROBLEM 25% of 100 is how much? 
25% = . 25 .25 *100=25 
Question Number 2 CONTENT PROBLEM 3% of 10 is how much? 

Question Number 3 CONTENT PROBLEM 150% of 10 is how much? 
150% = 1.50 
Question Number 4 CONTENT PROBLEM .3% of 100 is how much? 
.3% = .003 
Question Number 5 CONTENT PROBLEM 50% of 6 is how much? 
50% = .50 
Question Number 6 CONTENT PROBLEM 3 is what percent of 6? 
3 =(x) * 6 
Question Number 7 CONTENT PROBLEM 10 is what percent of 100? 
10 =(x) * 100 
Question Number 8 CONTENT PROBLEM 5 is what percent of 25? 
5 =(x) * 25 
Question Number 9 CONTENT PROBLEM 5 is what percent of 20? 
5 =(x) * 20 
Question Number 10 CONTENT PROBLEM 10 is what percent of 5? 
10 =(x) * 5 
Question Number 11 CONTENT PROBLEM 33 is what percent of 11?  33 =(x) * 11 
Question Number 12 CONTENT PROBLEM 11 is what percent of 33?  11 =(x) * 33 