Divide sales tax amount over the item's cost
23.1 / 330 = 0.07
Therefore the sales tax is 7%
Answer:
The answer will be listed below.
Step-by-step explanation:
First of all, you want x to by itself, so distribute the three to both x and negative 4 so you'll get 3x-12=2x+6.
Now, subtract 2x from both sides and add 12 to both sides and you'll get an answer of x=19. From that, you are able conclude that this equation has one solution.
Hm, D would equal either 5 or 6.
