Answer:

Step-by-step explanation:

Answer:
x=3.99 it represents the amount per book
Step-by-step explanation:
3x + 1.50 = 13.47
- 1.50 on both sides
3x= 11.97
Divide 3 on both sides.
x= 3.99
Answer:
c-10-(4+2)
Step-by-step explanation:
I don't know the answer choices because this is the correct answer
Answer:
19.5 because if we do hundred then it well equal to 19.5
20 in I’m for sure on this answer