Answer:
(f-v)/a = t
Step-by-step explanation:
 f = v + at
Subtract v from each side
 f-v = v-v + at
f-v = at
Divide each side by a
(f-v)/a = at/a
(f-v)/a = t
 
        
             
        
        
        
1/2 of 40= 20
40/5=8
20+8=28
28 of your CDs will not work properly.
I hope this helps!
        
                    
             
        
        
        
It’s 16 because Ik I did it before so do y worry
        
             
        
        
        
there's no exact answer for it because pi goes on forever