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World Community Grid Forums
Category: Community
Forum: Chat Room
Thread: quiz time |
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Thread Status: Active Total posts in this thread: 2
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
if joe takes 4 hours to paint a house, and jill takes 6 hours to paint a house, how long will it take both of them together to paint a house?
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Former Member
Cruncher Joined: May 22, 2018 Post Count: 0 Status: Offline |
The humorous answer is "all day"....
but I think it's 2.4 hours. Joe paints 3/5 and Jill paints 2/5 of the house. |
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