1
This is the correct answer
Answer:
14 packs per hour
Step-by-step explanation:
The store sold 57 - 15 = 42 packs of toilet paper in 3 hours.
42 packs in 3 hours = 42/3 = 14 packs per hour
i thimk this might be the answer to question 3 (iii)
I'm sorry I don't know how to solve the first question
The answer is 3a + 2b + 8