Answer:
B
Step-by-step explanation:
B
3) Brett arrives 2 hours later than Lionel.
That is the correct answer.
(Sorry, I misinterprated the question before.)
There are, 3 x 2 x 1 = 6 possible ways of arranging the three digits. Therefore in that set of 720 possibilities, each unique combination of three digits is represented 6 times. So there are 720 possible combinations.
Step-by-step explanation:
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