Answer:
135
Step-by-step explanation:
I believe this is the answer
 
        
             
        
        
        
Answer:
27
Step-by-step explanation:
Factory A proportion:
3 : 2,000
Factory B proportion:
5 : 4,500 (this can be simplified):
1 : 900
Now plug in 18,000 to each proportion:
Factory A: 
x : 18,000
3 : 2,000
x = 27
Factory B:
x : 18,000
1 : 900
x = 20
Factory A had the greater amount of defects, 27
 
        
             
        
        
        
Answer:
The percentage decrease is 27%
Step-by-step explanation:
To find the percent decrease, first find the difference in the two costs. 
$205,000 - $149,650 = $55,350
Now divide that number by the original cost. 
$55,350/$205,000 = 27%
 
        
             
        
        
        
I did it digitally on my iPad hope it helps please mark me brainliest