Brand a costs less per load because b is more expensive per load
        
                    
             
        
        
        
Answer:
j(x) = [ (3/10) cookie/student ]x
Step-by-step explanation:
The "unit rate" here is   
3 jumbo cookies
------------------------- = (3/10) cookie/student
        10 students
Then the number of cookies needed to feed x students is 
j(x) = [ (3/10) cookie/student ]x
 
        
             
        
        
        
Answer:
345
Step-by-step explanation: