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the amount of sales tax on a clothing purchase is directly proportional to the purchase price of the clothing. the sale tax on a $60 sweater is $4.20. determine the constant variation (sales tax percentage).

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sqdancefan

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Answer:

  7%

Step-by-step explanation:

The tax rate is the ratio of tax to pre-tax cost:

  $4.20/$60.00 = 0.07 = 7%

The constant of variation (tax rate) is 7%.

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