Asap 50 points ( im timed
charles purchased a vintage guitar for $6,000. if he paid $570 in sales tax, what is the sales tax rate where he bought the guitar?

final result:

the additional sales tax increased the price of the guitar by 9.25%, which is the sales tax rate.

the additional sales tax increased the price of the guitar by 9.5%, which is the sales tax rate.

the additional sales tax increased the price of the guitar by 9.75%, which is the sales tax rate.

the additional sales tax increased the price of the guitar by 9%, which is the sales tax rate.

original amount =

6,540

6,000

6,585

6,570

amount of change =

540

585

555

570

percent =

9

x

9.25

9.5