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A roller coaster car at an amusement park will seat 3 people. In how many different ways can Maryanne and Helen sit in the car, leaving one seat empty?
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A roller coaster car at an amusement park will seat 3 people. In how many different ways can Maryanne and Helen sit in the car, leaving one seat empty?

User Frank Cannon
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The answer would be 6. So the problem is how can you fit two out of the 3 blanks. A3(2)=3x2=6
User Jhedstrom
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