Question

In your English class, you are given a list of 10 books. You are to choose 3 books to read over the summer. How many different groups of 3 books are available from the list of 10?

Answer 1

answer is 220

Explanation:

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Answer 2

120 different groups of 3

Explanation:

You will use combination for this

`(n!)/((r!(n-r)!))`

n=total amount (10)

r=sample size (3)