Answer:
A. C.
Step-by-step explanation:
Carter can line the books up on his bookshelf in 24 different ways.
f(x) = 2x - 3, for f(x) = 13
13 = 2x - 3
Add 3 to both sides.
16 = 2x
Divide both sides by 2
8 = x
The answer is A. You have to combine like terms
If 15 is 20% of her money you need to multiply 15 times 5 to get her total money which is 75 $
