Jimmy de Locke brought a new set of tools for $2800 he must also pay sales tax of 7.5 percent what is his total cost, including sales tax?

To calculate Jimmy de Locke's total cost, including the sales tax, follow these steps:

1. **Find the sales tax amount**:
   - Sales tax rate = 7.5% = 0.075
   - Cost of tools = $2800
   - Sales tax amount = $ 2800 \times 0.075 = 210 $

2. **Find the total cost**:
   - Total cost = Cost of tools + Sales tax amount
   - Total cost = $ 2800 + 210 = 3010 $

So, Jimmy's total cost, including the sales tax, is **$3010**.

Would you like more details on sales tax or any other aspect of the calculation?

Here are 5 related questions to expand on this topic:
1. What if the sales tax rate was different, say 5% or 10%?
2. How would the calculation change if a discount was applied to the initial price before tax?
3. How can we compute the total cost if multiple items are purchased with different prices and tax rates?
4. What is the formula for reverse-calculating the pre-tax amount if we know the total cost and the sales tax percentage?
5. How do sales tax rates vary between different regions or states?

**Tip**: Always ensure you convert percentage rates to decimal form (e.g., 7.5% becomes 0.075) before performing any calculations.

Learn how to calculate the total cost of a $2800 purchase with a 7.5% sales tax. This problem covers basic arithmetic and percentage calculations, suitable for students in Grades 5-7. Follow the step-by-step guide to find out the final cost, including the tax amount.

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