SOLUTION: Four students are to go for dinner and order a hamburger, a fish burger, a cheeseburger and beef burger (one burger for each). When the waitress returns with the food, she forgets
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-> SOLUTION: Four students are to go for dinner and order a hamburger, a fish burger, a cheeseburger and beef burger (one burger for each). When the waitress returns with the food, she forgets
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Question 1172029: Four students are to go for dinner and order a hamburger, a fish burger, a cheeseburger and beef burger (one burger for each). When the waitress returns with the food, she forgets which student orders which items and simply places a burger before each student. In how many ways can the waitress do this? Answer by ikleyn(52790) (Show Source):
