59.70 for 6 hours of mowing and 1 hour of babysitting !
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
Given
 -- Objective function
 -- Objective function
Constraints:



Required
Minimum value of E
To do this, we apply graphical method
See attachment for plots of  and
 and 
From the attached plot, the point that satisfy  is:
 is:

So, we have:

This gives:



 
        
             
        
        
        
Answer:
8
Step-by-step explanation:
and the surface area
 for the whole shape is 107 yd^2
 
        
                    
             
        
        
        
X should be 3, 
because 8x means 8 times what number. 
So 8x must be 3. 
8 times 3 = 24. 24 +5 = 29. 
Hope you Understand :) !