Answer: The answer is 24a + 6 because you add up the like-terms, so:
18a + 6a = 24a
8 - 2 = 6
I hope this helps!
Step-by-step explanation:
If the discount is 15 percent, he still pays (100-15) or 85%
125.99 * 85%
125.99 * .85 = 107.09 is the price he pays for the rod
107.09 * .03 =3.21 is the sales tax
107.09+3.21=110.30 is the price of the rod with the discount and the tax