I'll do 22 for you. 22, 24, 26, 28, and 30, are very similar to each other.
PROPORTIONS:
Draw it out.
5/7 = either c/6, or b/5. 
I'll do c/6
5/7 = c/6
solve for c
7c=30
c=30/7
now do the same thing to the remaining side, b.
there!
 
        
        
        
Answer:
All we do is do 3.5 x 5 to get 17.5 water!
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
2/7
Step-by-step explanation:
You do the number it goes up, 1 to 3 in this case, over the number it goes sideways, 3 to -4. My teacher always said rise over run to help us remember.
 
        
             
        
        
        
Answer:
c
Step-by-step explanation:
0.1=1/10
1/10 is just the fraction form of 0.1
 
        
                    
             
        
        
        
Answer:
...
Step-by-step explanation: