The total cost on the bracelet would be $225.75
        
                    
             
        
        
        
The answer is 2x-6y=-14 is the aswer 
        
             
        
        
        
F(x)= y
this is the equation that explains the problem<span />
        
             
        
        
        
We want to find out how many calories are in a serving so, 1120/7 = 160.
A single serving has 160 calories.
140 calories would be 140/160 = 87.5% of a serving or less than a serving.