To find out how much Luca should pay, we need to calculate the tax amount, the total bill including tax, and then the tip based on that total.
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Calculate the tax:
- Tax = Original Bill × Tax Rate
- Tax = $193.75 × 0.04 = $7.75
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Calculate the total amount including tax:
- Total Amount = Original Bill + Tax
- Total Amount = $193.75 + $7.75 = $201.50
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Calculate the tip:
- Tip = Total Amount × Tip Rate
- Tip = $201.50 × 0.16 = $32.24
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Calculate the final amount Luca should pay:
- Final Amount = Total Amount + Tip
- Final Amount = $201.50 + $32.24 = $233.74
Thus, the total amount Luca should pay is $233.74.