150 is the answer I need these points
        
             
        
        
        
Assuming that the mix disolves into the 20 gallons and doesn't take up space
1:2
x:20
1/2=x/20
multiply btoh sides by 20
10=x
answer is 10 cups of mixture
        
             
        
        
        
Answer:
Solve for  
x
 by simplifying both sides of the equation, then isolating the variable.
x
=
−
41