SOLUTION: If the sales tax on a $30 item is 1.80, What is the sale tax rate?

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Question 344492: If the sales tax on a $30 item is 1.80, What is the sale tax rate?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
Sales tax is the product of the rate(expressed as a decimal)*Cost
for ex. 5%tax on $20 would be .05*$20 or $1.00
Question states the following to be true:
Let R represent tax rate
R*$30 = 1.80
R=.06 0r 6% is the Sales Tax Rate

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