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11-09-2021
Mathematics

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17. A television costs $270.25 including 15% sales tax. How much of
the cost is tax?

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11-09-2021

Answer:

Below in bold.

Step-by-step explanation:

The 15% is calculated on the cost before tax, $x.

So x + 0.15x = 270.25

1.15x = 270.25

x = 270.25/1.15

= $235.

So 270.25 - 235

= $35.25 was sales tax.

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