I think the first one is 1/200 and the second is 1/125
        
                    
             
        
        
        
Answer:
W=1000C/tc
Step-by-step explanation:
First multiply both side 1000: 1000C=Wtc
Divide both side by tc: 1000C/tc=W (t, c ≠0)
 
        
             
        
        
        
Answer:
26.6 minutes
Step-by-step explanation:
Set up a proportion
3/8 = 10/x
cross multiply
3x = 80
x = 26.6
 
        
             
        
        
        
Answer:Production rate  = 4.56 x 10³ bulbs/week
Production time = 9.36 x 10² weeks
Number of bulbs produced is
Answer: 4.27 x 10⁶ bulbs
Step-by-step explanation: