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Que: Item X attracts a sales tax rate of $1.00 per $30. What is the sales tax rate, as a percent.......

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Que: Item X attracts a sales tax rate of $1.00 per $30. What is the sales tax rate, as a percent.......

by Max@Math Revolution » Tue Jul 13, 2021 8:53 pm

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Que: Item X attracts a sales tax rate of $1.00 per $30. What is the sales tax rate, as a percent, for item Y that attracts three times as much as the rate for item X?

(A) 0.1%
(B) 1%
(C) 3%
(D) 10%
(E) 30%
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Re: Que: Item X attracts a sales tax rate of $1.00 per $30. What is the sales tax rate, as a percent.......

by Max@Math Revolution » Wed Jul 14, 2021 8:26 pm
Solution: Tax paid on $30 = $1.00

Thus, a tax, which is three times as much as the above, would be $(1.00 × 3) = $3.00 on $30.

Thus, the tax rate = \(\frac{3.00}{30}=0.1\)

Thus, this tax, expressed as a percentage = \(0.1=1\cdot\frac{1}{10}=10\%\)

Therefore, D is the correct answer.

Answer D
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