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The problem states that Emily is thinking of a number, which she calls \( n \). She then finds \( \frac{1}{4} \) of the number and subtracts 3.

To write an algebraic expression for this, we follow the steps:

1. Emily finds \( \frac{1}{4} \) of the number \( n \). This part can be represented as:
   \[
   \frac{1}{4}n
   \]
2. Then, she subtracts 3 from this result, giving:
   \[
   \frac{1}{4}n - 3
   \]

So, the expression that represents Emily's number is \( \frac{1}{4}n - 3 \).

Would you like further details on how to work with such expressions, or have any questions?

Here are 5 follow-up questions to deepen your understanding:
1. What happens if Emily adds 3 instead of subtracting it?
2. How would the expression change if Emily finds \( \frac{1}{2} \) of the number instead of \( \frac{1}{4} \)?
3. How can you evaluate the expression if Emily's number \( n \) is 12?
4. What is the general process to simplify expressions involving fractions?
5. How would the expression change if she multiplied the result by 2 instead of subtracting 3?

**Tip:** When working with expressions involving fractions, always perform the operations in sequence to avoid errors.

Emily is thinking of a number, which she calls n. She finds 1/4 of the number and then subtracts 3. Write an expression to represent Emily's number.

This problem involves writing an algebraic expression to represent a situation where a fraction of a number is found and then a value is subtracted. The expression involves multiplying by 1/4 and subtracting 3, suitable for Grades 5-7.

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