It costs $ 39 per hour plus a flat fee of $ 17 for a plumber to make a house call. Find the total cost to have a plumber come to a house for 4 hours.

To calculate the total cost for the plumber's visit, we can break it down into two parts: the hourly rate and the flat fee.

- **Hourly rate**: $39 per hour for 4 hours
  \[
39 \times 4 = 156 \, \text{dollars}
  \]
- **Flat fee**: $17

Now, add the hourly rate and the flat fee:
\[
156 + 17 = 173 \, \text{dollars}
\]

Thus, the total cost for the plumber to come for 4 hours is **$173**.

Would you like more details or have any questions?

Here are 5 related questions to explore further:
1. What would the cost be for a 6-hour service?
2. How does the total cost change if the hourly rate increases by 10%?
3. If the flat fee were removed, how much would a 4-hour visit cost?
4. What is the total cost if the plumber spends 3.5 hours at the house?
5. How many hours can you hire the plumber for $250?

**Tip**: Breaking down a problem into its components (fixed and variable costs) helps simplify calculations.

Learn how to calculate the total cost for a plumber's visit using a flat fee and hourly rate. This problem covers key arithmetic concepts and cost analysis. Suitable for students in Grades 6-8. Example: $39/hour for 4 hours + $17 flat fee.

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