Answer:
.
Step-by-step explanation:
 
        
                    
             
        
        
        
There are 2.5 tsp vanilla needed for 5 cups of flour. I solved this by putting the given info into a ratio- cups of flour/tsp. vanilla. Then, i put in the given information and cross multiplied to solve for x. I hope this helped you!! :))
 
        
        
        
Hope it helps you! .........
 
        
             
        
        
        
Answer:
C : 20 
good luck, hope this helped!