To calculate 7.25% of $49.99 and then add it to the original amount, follow these steps:
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Calculate 7.25% of $49.99: \[ 49.99 \times 0.0725 = 3.623775 \]
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Add this amount to the original $49.99: \[ 49.99 + 3.623775 \approx 53.613775 \]
Therefore, $49.99 plus 7.25% is approximately $53.61 when rounded to two decimal places.