Asked by pls help
Adrienne, Heather, Katie, Sara and Kara ran a race. At the end of the race, two of the friends finished in a tie while the rest all finished in different times. In how many possible orders could the girls have finished the race?
Answers
Answered by
oobleck
Consider the two who tied as a single person. Then there would be 4! ways to finish. But there are 5C2=10 ways to pick the two girls, so there are
4!*10 = 240 ways to finish.
4!*10 = 240 ways to finish.
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