March 1, 2017

Homework Help: Math

Posted by David on Saturday, April 16, 2011 at 2:33pm.

A rooming house has three rooms that contains four beds, three beds and two beds respectively. In how many ways can nine quests be assigned to these rooms?

The book says it is 1260. I have no idea how they got this. I know it requires combinations. Could someone please explain it to me. Thanks a lot.

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