Lets say the price is 24.00

just multiply .07 to the amount

24.00 x .07=1.68

now just add 24.00 to 1.68

24.00 + 1.68= 25.68

and that get your answer for 7% sales tax

just multiply .07 to the amount

24.00 x .07=1.68

now just add 24.00 to 1.68

24.00 + 1.68= 25.68

and that get your answer for 7% sales tax