I need help with my math discussion board questions

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I need help with my math discussion board questions

This is what my classmate wrote and I have to replay to it MAT 1301Unit I

Counting numbers, integers, and rational numbers are used in everyday life with most of the things we do. We use them when dealing with financial situations such as calculating bills, doing budgets at work, measuring items, using objects to help children learn to count, and so much more. One of the situations in which I use counting numbers, integers, or rational numbers is when I am working with my daughter on her math homework.

This is what my classmate wrote andI have to replay to it MAT 1301 I Unit II

Simple interest would be a car loan at 5% interest. Compound interest is where the interest is on the original amount and the following amounts. Example- loan is 2000 at 10%. The next payment will have 10% calculated on $2200 and so on.