SOLUTION: Lisa started cleaning at PM and finished at PM . How long did it take her? Give your answer in minutes.

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Question 843621: Lisa started cleaning at PM and finished at PM .
How long did it take her? Give your answer in minutes.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
There are no numbers before each instance of PM.
Please repost.