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