Question

What would be the cost of 6.75 if you include 4.5% sales tax and a 20% tip

Answer 1

8.40

Explanation:

so I put 20x6.75/100 which = 1.35 and 4.5x6.75/100 which = .30 and I added .30 to 6.75 which = 7.05 and then I added 1.35 to that and got 8.40

so I got $8.40