Answer:
x=40
Step-by-step explanation:
you have to get a answer of 60
(40)+20=60
and 2(40)-20=60
 
        
             
        
        
        
Answer:
-4 3/4, -4 1/2, -4 1/4
Step-by-step explanation:
 
        
             
        
        
        
Answer: 
Step-by-step explanation:
Given
Speed of boat 



 
        
             
        
        
        
Answer: 3.5 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
80 is 50% of 160.
Step-by-step explanation:
In order to find this, we take the whole number and divide by the percentage that it represents. This gives us the number we are looking for. 
80/50%
80/.50
160