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inn [45]
3 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]3 years ago
8 0

Answer:

b

Step-by-step explanation:


tatuchka [14]3 years ago
3 0

Answer:

B

Step-by-step explanation:

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