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You do not specify the tax rate, which is required for the calculation, and varies from state to state.

In Texas, sales tax is 8.25 percent. So

8.99 plus tax

= 8.99 plus (8.25% of 8.99)

= 8.99 plus 0.0825 * 8.99

= 8.99 + 0.74

= 9.73

You can do the calculation with the tax rate in your state.

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15y ago

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