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Que: Item A attracts a sales tax rate of $0.54 per $25. What is the sales tax rate, as a percent, for item B......

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Que: Item A attracts a sales tax rate of $0.54 per $25. What is the sales tax rate, as a percent, for item B......

by Max@Math Revolution » Sat Dec 12, 2020 11:12 pm

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Que: Item A attracts a sales tax rate of $0.54 per $25. What is the sales tax rate, as a percent, for item B that attracts four times as much as the rate for item A?

(A) 216%
(B) 86.4%
(C) 8.64%
(D) 2.16%
(E) 0.135%
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Re: Que: Item A attracts a sales tax rate of $0.54 per $25. What is the sales tax rate, as a percent, for item B......

by Max@Math Revolution » Fri Dec 18, 2020 12:56 am
Solution: Tax paid on $25 = $0.54

Thus, a tax, which is four times as much as the above, would be $(0.54 × 4) = $2.16 on $25.

Thus, the tax rate = \(\frac{\text{2.16}}{\text{}25}\) = 0.0864

Thus, this tax, expressed as a percentage = 0.0864 = 8.64 × \(\frac{\text{1}}{100}\) = 8.64%.

Therefore, C is the correct answer.

Answer C
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