Horizontal distance = 48'
difference in elevation = 18"-6" = 12" = 1'
Slope of the sewer line = rise/run = 1/48 = 0.0208 = 2.08%
 
        
             
        
        
        
41 feet is the correct answer !!!!!!
        
             
        
        
        
Answer:
850.
Step-by-step explanation:
Let the number at the start be x shoes. Then:
x - 50 - 0.64(x - 50) = 288
x - 0.64x - 50 + 32 = 288
0.36x = 288 + 50 - 32
0.36x = 306
x = 306/0.36 =  850.
 
        
             
        
        
        
Around 45% since there is 5 with more than 11 years of experience and there is 11 total teachers 5/11 is around 45%