SOLUTION: Grace bought a book and paid $1,80 in sales tax.If the sales tax rate is her state is 8%,what was the cost of the book.

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Question 509201: Grace bought a book and paid $1,80 in sales tax.If the sales tax rate is her state is 8%,what was the cost of the book.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Grace bought a book and paid $1,80 in sales tax. If the sales tax rate is her state is 8%,what was the cost of the book.
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Let the cost of the book be "x":
Equation:
0.08x = 1.80
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x = 1.80/0.08
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x = $22.50 (cost of the book before tax)
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Cheers,
Stan H.