2/10 because 0.7/7 is equal to one tenth, so 1.4/7 is equal to 2/10
        
             
        
        
        
30 minutes / 3 miles = 10 minutes for 1 mile
7 miles * 10 minutes per mile = 70 minutes total to run 7 miles
        
             
        
        
        
Answer:
40/2+14/7=27
Step-by-step explanation:
First I would break it down int 50 + 4 but either way you divide both by two
 
        
             
        
        
        
Answer:
(2) A
Step-by-step explanation: easy Math 
 
        
             
        
        
        
Answer: The process of combining matrices, vectors, or other quantities under specific rules to obtain their product.