Answer: 18%.
Step-by-step explanation:
When we have the part and the total, we can divide the part by the total. So, in this case, the part is 9 and the total is 50. Now, we divide 9 by 50.
9/50 = 0.18
Multiply by 100 to get the percent: 0.18 × 100 = 18.
So, our final answer is 18%.