Math

If I have 5 different types of trees and want to plant them in groups of three, how many different combinations of groups can I make.
I worked this out and came out with 30.
Am I right?

Thanks for your help

asked by Jessie
  1. You are using the word "combinations" so it would be
    C(5,3) or 10 of them

    e.g.
    suppose you have A, B, C, D, E kind of trees
    ABC
    ABD
    ABE
    BCD
    BCE
    CDE
    ADE
    ACE
    BDE
    ACD

    posted by Reiny

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