Question

Mr. Davis has 15 students in his class. He wants to send 3 of his students to pick up books for the class. How many combinations of students can he choose?

A. 45
B. 210
C. 455
D. 2730

Answer 1

@iPwnBunnies

Answer 2

What do you think it is?

Answer 3

I think it's C.455

Answer 4

Why do you think that? :)

Answer 5

Um because it's reasonable

Answer 6

One moment while I generate an solution :)

Answer 7

Thank you :)

Answer 8

You are correct! It is 455

Answer 9

Really?

Answer 10

Awesome! Thank you!

Answer 11

\[\frac{ 15\times14\times13 } {3\times2\times1 }\]

Answer 12

That equals 455 :D

Answer 13

Awesome! Thanks!