Answer:
c, d, a, b.
Step-by-step explanation:
I'm presuming that the original equation is  .
.
First, isolate c. You can do this by subtracting  from both sides:
 from both sides:  
 
Next, simplify to  .
.
Then, divide both sides by 7: 
Finally, simplify to  .
.
 
        
             
        
        
        
Answer:
100
Step-by-step explanation:
20/150 to get ratio
Ratio*750 to get defective
 
        
                    
             
        
        
        
First I'll simplify the first one by distributing 
11m + 10p
And the second 
10p + 11m
Yep they're equal