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Of 15 possible​ books, you plan to take 7 with you on vacation. How many different collections of 7 books can you​ take?

Respuesta :

Am I the only one that doesn’t get what the question is asking
I feel like 1 piece of information is missing

Like how much in a collection?
Abbeylovesemma
You can take 2! And still have one remaining! I’m not 100% but hope it helped