Let's say that x represents hours that Elizabeth volunteers over 1 week. Katie volunteers x+3 and Siobhan x-1 hours per week. The equation that arises from condition in text is: 
3*(x+3) = 3*(x + x-1)
x+3 = 2*x - 1
2*x - x= 3+1
x=4.
Elizabeth volunteers    7 hours
Katie volunteers          4 hours
Siobhan volunteers     3 hours 
        
                    
             
        
        
        
It would be 30%profit it in so it would be 3.00
        
             
        
        
        
Answer:
E
Step-by-step explanation:
 
        
             
        
        
        
Answer:
f(x) = -8
Step-by-step explanation:
f(x) = -2(3) - 2
f(x) = -8