Use a calculator to find the decimal equivalents.
Then comparing the numbers is easy.
        
             
        
        
        
the answer would be d because it goes down 2 and over 1
 
        
                    
             
        
        
        
Answer:
Sarah's rectangular garden has a perimeter of 900cm
 
        
                    
             
        
        
        
For 3 cups... vanilla needed - 1 teaspoon
for 1 cup...vanilla needed- 1/3 teaspoon
for 5 cups, vanilla needed- 5/3 teaspoon
In short , 1.67 or 5/3 teaspoon of vanilla is needed for 5 cups of floor