Jones and North, a stock brockerage firm, has received five different

Landon Watts

New member
inquiries regarding new account.? In how many different ways can these five inquiries be assigned to its four account executives such that each inquiry is handled by one account executive and no account executive handles more than two inquiries.

Here's the answer to it, someone mind explaining it to me though?

C(4,2)C(5,2)C(3,2)C(2,1) + C(4,1)C(5,2)3! = 360+240 =600
 
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