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?

a. 25P20
b. 5P5 × 20P15
c. 15C15 × 10C5
d. 15P15 × 10P5
e. 15P15 × 10C5

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?

a. 25P20
b. 5P5 × 20P15
c. 15C15 × 10C5
d. 15P15 × 10P5
e. 15P15 × 10C5

anonymous · Answer

I can help

anonymous · Answer

If you go to this link its the same problem and it gives you he answer

anonymous · Answer

http://openstudy.com/study#/updates/52656b72e4b029b030da278c

anonymous · Answer

thats not the same question though