Hi Laurie,
Time is multiplied by 60. .3 hours is 18 minutes, .5 is 30 minutes. .8 hours would be 48 minutes. You can add time in Maximo in decimal or in minutes. To add time in minutes, just input the value with a colon, :18, :30, :48.
Thanks,
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Matt McGuire
Aquitas Solutions
https://www.aquitas-solutions.com/------------------------------