So there are 52 horses
12 of them are white
how many are black?
52 - 12 = 40
there are 40 black horses
12 white horses to 40 black horses
12:40 
12/40
Hope this helps :)
        
             
        
        
        
Answer:
It would take 3.6 mins. 
Step-by-step explanation:
In order to find this, we simply divide the amount of time by the amount of the tank that is filled. 
2 ÷ 5/9 = 3.6
 
        
             
        
        
        
Answer:
<h3>Toni can type words in 3 minutes is 270 words</h3>
Step-by-step explanation:
Given that the double number line shows that Toni can type 180 words in 2 minutes.
<h3>To find how many words can Toni type in 3 minutes:</h3>
From the given Toni can type 180 words in 2 minutes, 
⇒ Toni can type 

<h3>∴ 90 words per minute </h3>
For Toni would be able to type words in 3 minutes is


<h3>∴ 270 words per minute.</h3><h3>∴ Toni can type words in 3 minutes is 270 words.</h3>