1 ft= 12 inches
1/2 ft= 6 inches 
=3 1/2 feet - 6 inches
substitute # of inches in for 1/2 foot
=3 ft 6 inches - 6 inches
=3 feet
ANSWER: 3 feet
Hope this helps! :)
        
             
        
        
        
Answer:
20%
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:131/12
Step-by-step explanation:
-7 2/3 -5 1/2 +8 3/4 = 23/3 - 11/2 + 35/4 = 92/12 -66/12 +105/12 = 131/12