\#1 A Skateboard Problem David owns a skateboard shop. To rent a skateboard, customers must pay an upfront fee of $$ \$ 3 $$. They then pay $$ \$ 6 $$ per hour for each hour they use the skateboard. Write a rental equation to determine the cost (C) of renting a skateboard for a given number of hours (h).

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To determine the **total cost (C)** of renting a skateboard for a given number of hours (**$$ h $$**), you can create a rental equation that accounts for both the upfront fee and the hourly rate.

### Breakdown of Costs:
1. **Upfront Fee:** 
   - This is a fixed cost that customers must pay regardless of how long they rent the skateboard.
   - **Amount:** \$3

2. **Hourly Rate:** 
   - This cost depends on the number of hours the skateboard is rented.
   - **Rate:** \$6 per hour
   - **Total for Hours Worked:** \$6 × $$ h $$

### Rental Equation:
Combining both costs, the total cost $$ C $$ can be expressed as:

$$
C = 3 + 6h
$$

### Explanation:
- **$$ 3 $$:** Represents the fixed upfront fee of \$3.
- **$$ 6h $$:** Represents the cost based on the number of hours rented. Here, $$ h $$ is the number of hours, and each hour costs \$6.

### Example:
If a customer rents a skateboard for **5 hours**, the total cost would be:

$$
C = 3 + 6(5) = 3 + 30 = \$33
$$

So, **$$ \$33 $$** would be the total cost for renting the skateboard for 5 hours.
The rental cost $$ C $$ for renting a skateboard for $$ h $$ hours is calculated using the equation: $$ C = 3 + 6h $$

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