To calculate the sales tax and the total cost, you can follow these steps:
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Calculate the Sales Tax: \[ \text{Sales Tax} = \text{Cost of Item} \times \text{Tax Rate} \] Convert the tax rate from a percentage to a decimal: \[ 6% = 0.06 \] Now, plug in the values: \[ \text{Sales Tax} = 400 \times 0.06 = 24 \]
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Calculate the Total Cost: \[ \text{Total Cost} = \text{Cost of Item} + \text{Sales Tax} \] \[ \text{Total Cost} = 400 + 24 = 424 \]
So, the amount of the sales tax is $24 and the total cost is $424.