Answer:
The ratio in simplified fraction

Explanation:
The number of children who own a dog
and the number of children who do not own a dog

So, the total number of children in the class

Thus, the ratio of the number of children that on a dog to the number of children in the class will be:

Simplified fraction:
![10:24=(10)/(24)=(5)/(12)\ \ [Dividing\ both\ 10\ and\ 24\ by\ 2]](https://img.qammunity.org/2018/formulas/mathematics/high-school/pjjcoh5iyqu1vkw5odstnmq401kqq66bs3.png)
So, the ratio in simplified fraction
