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.

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) (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
-----
x = 1.80/0.08
---
x = $22.50 (cost of the book before tax)
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Cheers,
Stan H.

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