SOLUTION: In how many ways can 4 birthday cards be selected from 22 different cards?
Algebra.Com
Question 1008167: In how many ways can 4 birthday cards be selected from 22 different cards?
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
= = 7315.
This is the number of combinations of 22 objects taken 4 at a time.
See the lesson Introduction to Combinations in this site.
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