Xochitl needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 5.5 hours and charged her $133 for parts. The total was $765.50. What was the cost of labor, per hour?

To find the cost of labor per hour, we can follow these steps:

1. **Determine the total cost of labor**:  
   Xochitl paid a total of $765.50, and $133 of that was for parts.  
   So, the cost of labor is:  
   \[
   \text{Total cost of labor} = 765.50 - 133 = 632.50
   \]

2. **Calculate the cost of labor per hour**:  
   The technician worked for 5.5 hours. Therefore, the cost of labor per hour is:  
   \[
   \text{Cost per hour} = \frac{632.50}{5.5} = 115
   \]

The cost of labor per hour is **$115**.

Would you like any details or have further questions? Here are some related questions:

1. What would the total cost be if the technician worked for 7 hours instead?
2. How much would the total cost be if the parts were $150 instead of $133?
3. If the technician gave a discount and charged only $100 per hour, what would the new total be?
4. What is the percentage of the total cost that went to labor?
5. How much would Xochitl pay if the technician worked for only 3 hours?

**Tip:** To find the rate per unit (like cost per hour), subtract any fixed costs (like parts) from the total, then divide by the number of units (like hours worked).

Learn how to calculate the cost of labor per hour for Xochitl's computer repair. Understand the breakdown of total costs, including parts and labor charges. Suitable for adult learners looking to understand basic arithmetic and cost calculation.

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