Question

4. In how many ways can six different books, four of which are math books, be arranged on a shelf if the math
books must be placed next to each other?

Answer 1

Answer:

3

Step-by-step explanation:

The math books can all be in the middle with the other two on the sides, or the math books can be on the left side with the other books at the right side. Also, the math books can be on the right side with the other books at the left side.