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We are given the following information:

- Kevin is 6 years old.
- Mikey is 1 year younger than double Kevin's age.
- Stokes is 4 years older than Mikey's age minus Kevin's age.

Let's break it down step by step.

1. **Kevin's age**: 6 years.
   
2. **Mikey's age**:
   - Double Kevin's age: \( 2 \times 6 = 12 \)
   - Mikey is 1 year younger than this, so Mikey's age is \( 12 - 1 = 11 \) years.

3. **Stokes' age**:
   - Mikey's age minus Kevin's age: \( 11 - 6 = 5 \)
   - Stokes is 4 years older than this, so Stokes' age is \( 5 + 4 = 9 \) years.

Now, we compare their ages:
- Kevin: 6 years
- Mikey: 11 years
- Stokes: 9 years

The oldest brother is **Mikey**.

Would you like more details on how this is calculated, or do you have any questions?

Here are five related questions:
1. How would the result change if Kevin were 8 years old instead of 6?
2. What if Mikey were 2 years younger than double Kevin's age instead of 1?
3. How would Stokes' age be affected if the difference mentioned were 5 years instead of 4?
4. If Kevin's age were unknown, how would you express the ages of Mikey and Stokes in terms of Kevin's age?
5. Can we generalize this type of problem to find a formula for the oldest sibling based on Kevin's age?

**Tip:** When working with word problems, breaking down the relationships step by step makes it easier to avoid mistakes.

Kevin is 6 years old. His brother Mikey is 1 year younger than double Kevin’s age. Their brother Stokes is 4 years older than Mikey’s age minus Kevin’s age. Which brother is the oldest?

Solve an age word problem where Kevin, Mikey, and Stokes' ages are related through simple algebra. Kevin is 6 years old, Mikey is younger than double Kevin's age, and Stokes' age depends on Mikey and Kevin's ages. Find out which brother is the oldest.

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