Mathematics, 30.10.2019 00:31 kaitlyn1152
Aschool 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 of the second-grade students occupy the first row?
a) 25p20
b) 5p5*20p15
c) 5c5*25c14
d) 5p5*15p15
e) 5p5*25pc15
Answers: 2
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Aschool bus has 25 seats, with 5 rows of 5 seats. 15 students from the first grade and 5 students fr...
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