To find Holly’s income tax rate, you need to calculate the amount of tax she paid and then determine that as a percentage of her gross pay.
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Calculate the amount of taxes paid: \[ \text{Taxes paid} = \text{Gross pay} - \text{Net pay} \] \[ \text{Taxes paid} = 1475 - 1321.60 = 153.40 \]
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Calculate the income tax rate: \[ \text{Income tax rate} = \left(\frac{\text{Taxes paid}}{\text{Gross pay}}\right) \times 100 \] \[ \text{Income tax rate} = \left(\frac{153.40}{1475}\right) \times 100 \approx 10.4% \]
Therefore, to the nearest tenth, Holly's income tax rate is 10.4%.