Complete the table. Sale Amount 5% Sales Tax Total Amount Paid $399.79

the answer is c)8

step-by-step explanaction:

the answer is simply just 6n add the two together as they have an n

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.