SOLUTION: Suppose that four friends are going on a road trip. If only two of the friends can drive, how many ways can the four people sit in a car with four seats?
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Question 538558: Suppose that four friends are going on a road trip. If only two of the friends can drive, how many ways can the four people sit in a car with four seats? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Suppose that four friends are going on a road trip. If only two of the friends can drive, how many ways can the four people sit in a car with four seats?
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Pick a driver : 2 ways
Arrange the remaining 3 people: 3! = 6 ways
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Ans: 2*6 = 12 ways
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Cheers,
Stan H.
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