Mathematics, 27.11.2019 20:31 dansuba

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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The mean of greg's journey times to work on 3 days was 28 minutes.
if it took him 27 minutes...