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43 votes
43 votes
Samuel paid $9.10, including tax, for a dog collar. before tax, the original price of the collar was $8.75. what was the sales tax rate?

User Peter Gibson
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1 Answer

16 votes
16 votes

Answer: 0.04 or 4%

Explanation: 8.75 + 8.75r = 9.10

Subtract 8.75 from each side you get 8.75r = 9.10.
Divide each side by 8.75 to isolate r.
r = 0.04

r = 4%

User Fogh
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