D I got it in my test and it’s correct
        
                    
             
        
        
        
Answer: Options 2, 4 and 5
Step-by-step explanation:
E2020 Answers
 
        
             
        
        
        
Let's say x is the amount of money Kelly saves.  We do not know how many weeks she is saving.  If she was saving for 2, then the equation would be x=5(2).  However, she is saving by w weeks, so the equation is x=5w.
        
             
        
        
        
Answer: 2 hours 15 minutes
Step-by-step explanation:
3/4 of an hour times 3 will be 9/4; each fourth is 15 minutes. 9 times 15 is 135 minutes, which is 2 hours and 15 minutes