To calculate Jackson's total bill with tax, let's break down the costs step by step.
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Cost of two deluxe hamburgers and fries: \[ 2 \times 14.95 = 29.90 \]
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Cost of two large sodas: \[ 2 \times 3.49 = 6.98 \]
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Cost of two pieces of chocolate cake: \[ 2 \times 7.95 = 15.90 \]
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Total cost before tax: \[ 29.90 + 6.98 + 15.90 = 52.78 \]
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Calculate tax (8.21% of the total cost): \[ \text{Tax} = 0.0821 \times 52.78 \approx 4.33 \]
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Total bill with tax: \[ 52.78 + 4.33 \approx 57.11 \]
Therefore, Jackson’s bill with tax is approximately $57.11.