Let the no. Of horses be x
9÷2 = 72÷x
X= 144÷9
No. Of horses = 16
<h3>
Answer:</h3>

<h3>
Explanation:</h3>
Change
so that is has a common denominator. 
Make an equation. 
Add. 
Add. 
Divide both sides by 2. 
Convert to a mixed number. 
Answer:
<h2>1</h2>
Step-by-step explanation:
I hope this helps
Answer:
1 exponential decay and 78%