Posted by
**Edgar** on
.

Of 30 books (15 novels, 10 history books and 5 math books), how many ways can you get a bunch of four books to give to a friend?

Saturday

March 25, 2017
Posted by
**Edgar** on
.

Of 30 books (15 novels, 10 history books and 5 math books), how many ways can you get a bunch of four books to give to a friend?

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