Sam bought brushes for $8, a palette for $5, and oil paints for $15. He paid $29.82 in all. What sales tax rate did Sam pay?

A. 0.06%
B. 0.65%
C. 6.5%

Find the mistake made in the steps to solve the equation below. a. the justification for step 2 is incorrect and should be the subtraction property of equality. b. step 2 is incorrect and should be . c. step 3 is incorrect and should be . d. the justification for step 3 is incorrect and should be the multiplication property of equality.