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9 September, 11:26

The mean of Greg's journey times to work on 3 days was 28 minutes.

If it took him 27 minutes and 25 minutes on two of the days, how long did it take him on the third day?

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Answers (2)
  1. 9 September, 12:06
    0
    28x3=84

    84-27-25=32

    That is my solution.
  2. 9 September, 15:20
    0
    The mean is found by adding the time it takes Greg each day and then diving by the number of days: 27+25+32=84.

    84/3=28 min

    it takes Greg 32 min on the third day
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