Let's calculate the total cost of Jackson's lunch before tax and then apply the tax rate.
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Calculate the cost of the hamburgers and fries:
- Cost of two deluxe hamburgers and fries: \(2 \times 14.95 = 29.90\)
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Calculate the cost of the large sodas:
- Cost of two large sodas: \(2 \times 3.49 = 6.98\)
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Calculate the cost of the chocolate cake:
- Cost of two pieces of chocolate cake: \(2 \times 7.95 = 15.90\)
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Add all costs together: \[ \text{Total before tax} = 29.90 + 6.98 + 15.90 = 52.78 \]
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Calculate the tax:
- Tax amount: \(52.78 \times \frac{8.21}{100} = 4.327758\)
- Rounding to two decimal places gives us: \(4.33\)
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Calculate the total bill with tax: \[ \text{Total bill} = 52.78 + 4.33 = 57.11 \]
Therefore, the total bill with tax will be $57.11.
So, the correct response is: $57.11