SOLUTION: Michael is packing his bags for his vacation. He has 5 unique shirts, but only 4 fit in his bag.
How many different groups of 4 shirts can he take?
Algebra.Com
Question 1029863: Michael is packing his bags for his vacation. He has 5 unique shirts, but only 4 fit in his bag.
How many different groups of 4 shirts can he take?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Five chosen four at a time is found by
5! / ((5-4)!*4!) = 5 different ways.
Another way (but more time-consuming) is naming them...the roster method...for shirts called A,B,C,D,E we have
ABCD
ABCE
ABDE
ACDE
BCDE
RELATED QUESTIONS
Jay has 8 cats that need to be fed while he is away on a 12 day vacation. If a bag of... (answered by nyc_function)
Jay has 8 cats that need to be fed while he is away on vacation. If a bag of cat food... (answered by phxladyphx@yahoo.com)
Mr. Song is planning a party for his class and needs to buy candy and chips. Candy costs... (answered by 428225)
Michael hired Heather to iron his dress shirts. Heather charges $40 an hour plus $0.25... (answered by ikleyn,josgarithmetic)
Billy has 10 books, but he only has space for 6 on his bookshelf. How many different... (answered by stanbon)
Aji has an argument with his daughter. She says, "you do the same thing every day." Aji... (answered by richwmiller)
Michael borrowed $445 from his parents to make some repairs on his car. He promised to... (answered by Boreal)
Hello, I need help, please.
Tim is buying snacks for the Mathletes, who love microwave... (answered by Theo)
Michael is 30 years older than his daughter. In five years Michael will be 4 times as old (answered by harpazo)