If you mean lowest terms as in fully simplified, then your fraction "2/11" is already in lowest terms. 
Lowest terms mean that your numerator and denominator have no common factors apart from 1. 
2 and 11 don't have any common factors, therefore 2/11 is in lowest terms already.
 
        
             
        
        
        
 14=6+2x
subtract 6 from both sides
8=2x
divide both sides by 2
x=4 candy bars
        
             
        
        
        
105 x 0.08 and what you get is your answer
        
             
        
        
        
Let C equal bags of cookies
Let M equal money earned
2.75c=m
Probably not enough sorry if it isn't