Answer:
5
Step-by-step explanation:
Take 20, and divide it by 4.
  
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
1
the initial level is below normal so it is represented by a negative number. the level continued to decrease in June and July so those changes are also represented by negative numbers. find the sum of these values to find what the new level was with respect to the normal level
2 
write the mixed numbers as improper fractions
3
get common denominator
4
add the numerators since all the numbers are negative and have a common denominator. write the improper fraction as a mixed number
 
        
             
        
        
        
Felipe subtract 3x from both side to get rid of x on one side. Ik this isn’t part of the answer but the correct way to do this would be to subtract 2x from each side after adding 8 to each side of the equation
        
             
        
        
        
I don’t know the answer to that one sorry
        
                    
             
        
        
        
Answer:
its 3.
Step-by-step explanation: