| Summary: | This lesson is all about combinations and the difference between a combination and a permutation. Questions are done using the combination formula involving numbers in lotteries, people on committees, cards in a standard deck, sums of money, etc.
After this lesson, you will be able to:
- understand the definition and terminology of a combination
n C r
- work with the formula for a combination
- answer combination questions involving:
- lotteries
- committees
- cards
- sums of money
- etc.
- solve equations using the combinations formula
for example 
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