Answer:
B
Step-by-step explanation:
First you find the amount of people at the reunion which was 80. Then you find 25% of 80. 25% of 80 is 20. The only age group with 20 people is the 20-29 year olds.
 
        
                    
             
        
        
        
Answer:
x = 12.99
Step-by-step explanation:
Tan(33) = 
Tan(33) * 20 = x
12.99 = x
Hope this helps!
 
        
             
        
        
        
You would need to isolate the "X" variable because it is common in all 3 equations.
        
             
        
        
        
Answer:
9
Step-by-step explanation:
The denominator of a fraction is always the bottom number, while the top number is always the numerator.