The answer is C. 21/50 is 0.42. 7/50 is 0.14. 19/50 is 0.38. 43/50 is 0.86. To convert a fraction to a decimal, you will have to divide the numerator by the denominator.
Hope this helped.
        
             
        
        
        
Answer:
15 seconds
Step-by-step explanation:
120/8=15
 
        
                    
             
        
        
        
let's plug the value of x and y as 5 and 4 respectively to find the value of given expression : 
 
        
             
        
        
        
Answer:
3/7 and 4/14
Step-by-step explanation:
a) 3/7 is not an equivalent of 6/21 because when you multiply the numerator and the denominator by 2 you get: 6/14
b) 4/14 is not an equivalent