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An item costs $ 390 before tax, and the sales tax is $31.20 .
Find the sales tax rate. Write your answer as a percentage.

Respuesta :

Answer:

7.80/390=0.02=2%

Step-by-step explanation:

Answer:

Step-by-step explanation:

390x=31.20

divide each side by 390

you get 0.08

multiply that by 100

you get 8%