Question

A school bus has 25 seats, with 5 rows of 5 seats. 15 students from the first grade and 5 students from the second grade travel in the bus. How many ways can the students be seated if all the first-grade students occupy the first 3 rows?

Answer 1

didnt you already ask this question? 0.o

Answer 2

5P5 * 15P15

Answer 3

25P20
5P5*20P15
15C15*10C5
15P15*10P5
15P15*10C5

Answer 4

different answers

Answer 5

based of kentaris explanation last time i would go with b

Answer 6

@Kentari

Answer 7

because after the take 5 seats it leaves 20

Answer 8

but i am not confident :/

Answer 9

sorry :/

Answer 10

oh Sorry. 5P5 * 20P15

Answer 11

@jennyrlz is right.