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

Question

2 years ago

10

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

Mathematics

2 answers:

VladimirAG [237] · Answer 1 · 2022-08-05T15:36:53+03:00

VladimirAG [237]2 years ago

8 0

Answer:

b

Step-by-step explanation:

tatuchka [14] · Answer 2 · 2022-08-05T18:00:52+03:00

tatuchka [14]2 years ago

3 0

Answer:

B

Step-by-step explanation: