The senior students have large lockers that line the school's southern hallway in a single row. A group of 7 friends agreed to choose lockers next to each other. How many different ways can the students choose adjacent lockers?

Question

Mathematics

Guest

8 July, 07:07

The senior students have large lockers that line the school's southern hallway in a single row. A group of 7 friends agreed to choose lockers next to each other. How many different ways can the students choose adjacent lockers?

+1

Answers (1)

Know the Answer?

Thelma · Answer 1

84 different ways

Step-by-step explanation:

you have to do

7+6+5+4+3+2+1=28

6+5+4+3+2+1=21

5+4+3+2+1=15

4+3+2+1=10

3+2+1=6

2+1=3

1=1

28+21+15+10+6+3+1=84

84 different ways