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Elizabeth had a book delivered to her home. The total cost included the price of the book, 7% sales tax on the price of the book, and a $4.50 shipping charge. Elizabeth paid a total of $31.25.

What was the pre-tax price of the book?



Answer :

iloveonedirection
7% = 0.07

Price of the book = x

x + 0.07x + 4.5 = 31.25
1.07x + 4.5 = 31.25
1.07x = 26.75
x = 25

Pre Tax Price = $25

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