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posted by Anonymous on Monday, November 15, 2010 at 5:06pm.

Rex is taking three friends for a ride in his new car. one friend can sit in front with Rex, and two can sit in back. If Rex always drives, how many seating arrangements of two passengers in back and one in front are there in his new sport car?

Is the answer a 4 passenger seating.

Seating arrangements starting with passenger # 1 in front seat. 3 possible arrangements: 1, 2, 3. 2, 3, 1. 3, 1, 2.

6 arrangements: 1, 2, 3. 2, 3, 1. 3, 1, 2. 3, 2, 1. 2, 1, 3. 1, 3, 2.

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