Translate to english and i’ll help
        
             
        
        
        
Answer:
He need $99 more 
Step-by-step explanation:
87-14-17=56+33=89
188-89=99
 
        
                    
             
        
        
        
Step-by-step explanation:
2. Amount of soil provided.
In order to give different pH values of the soil, the amount of soil can directly affect this independent variable.
 
        
             
        
        
        

Refer to the attachment for calculations.