Compatible numbers are numbers that are close in value to the actual numbers and easy to add, subtract, multiply, or divide mentally. They are useful in estimating the sum, difference, product, or quotient.
 
        
             
        
        
        
Answer:
375 m
Step-by-step explanation:

From halfway 

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Step-by-step explanation:
ur answer is there in image
 
        
             
        
        
        
Answer:108
Step-by-step explanation: divided 81 and 3. the answer is 27. multiply 27 x 4 you get 108.
 
        
             
        
        
        
A is the correct answer. 23/40=0.575 and 4.6/8= 0.575 as well.