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The problem states that Marco is starting a savings account with an initial deposit of $25, and he plans to add an additional $25 each month. You are asked to write a function that calculates the total amount of money in the account after a given number of months.

Let:
- $ T $ be the total amount of money in the account,
- $ m $ be the number of months.

The initial amount in the account is $25. After each month, an additional $25 is added.

### Function:
The total amount of money $ T $ in Marco's account after $ m $ months can be represented by the linear function:
\[
T = 25 + 25m
\]
Where:
- The first $ 25 $ represents the initial deposit,
- The $ 25m $ represents the amount added after $ m $ months (since $25 is added each month).

### Example:
- After 0 months (initial): $ T = 25 + 25(0) = 25 $.
- After 1 month: $ T = 25 + 25(1) = 50 $.
- After 2 months: $ T = 25 + 25(2) = 75 $, and so on.

Would you like to explore more about this function or see variations of it? Here are five questions for further exploration:

1. What will be the total after 10 months?
2. How can you adjust the function if Marco deposits a different amount each month?
3. How can we represent the total savings graphically?
4. What happens if Marco decides to withdraw money instead of depositing?
5. Can this model be adjusted for compound interest?

**Tip:** Always make sure to identify the initial condition (like the initial deposit) when setting up a function like this.

Marco is starting a savings account. He begins his account with $25. Each month he plans to add an additional $25. Write a function that helps Marco see how much money will be in his account after a given number of months. Let T = total amount of money in the account, and let m = number of months.

Learn how to create a linear function that calculates the total amount of money in Marco's savings account after a certain number of months. Marco starts with $25 and adds $25 each month. Understand the linear function T = 25 + 25m to solve this problem.

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