https://file.aiquickdraw.com/mathbot/file/1728721220978q59zi7xb.jpg

To solve this problem, let's break down the details:

- Total price of the 9 items = $83.50.
- Tax rate = 0.08 (8%).

### Step 1: Calculate the total tax.
The tax amount can be calculated as:
\[
\text{Tax} = \text{Total Price} \times \text{Tax Rate}
\]
\[
\text{Tax} = 83.50 \times 0.08 = 6.68
\]

### Step 2: Find the total amount paid.
The total amount including tax is:
\[
\text{Total Amount with Tax} = 83.50 + 6.68 = 90.18
\]

### Step 3: Calculate the average amount per item.
To find the average amount paid per item, including the tax, divide the total amount by the number of items:
\[
\text{Average Amount per Item} = \frac{90.18}{9} \approx 10.02
\]

So, the average amount paid per item, including tax, is approximately **$10.02**.

Would you like more details or have any questions about this solution?

### Related Questions:
1. How do you calculate sales tax for any given price?
2. What would the total price be if the tax rate was 10% instead?
3. How would the average price per item change if the total number of items was 12?
4. How do you calculate the tax amount if the total price includes the tax?
5. What is the formula for calculating percentages of a given value?

### Tip:
When calculating percentages, always multiply the base amount by the percentage (as a decimal). For example, to find 8% of $83.50, convert 8% to 0.08 and multiply.

You bought 9 items at the grocery store for $83.50 and paid tax figured at 0.08 times the price. What average amount did you pay per item, including tax?

Learn how to calculate the average price per item, including an 8% sales tax, from a total purchase of 9 items costing $83.50. This problem involves basic arithmetic and percentage calculations, suitable for Grades 5-7.

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