mollywolly mollywolly

18-04-2017
Mathematics

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Sally can paint a room in 8 hours while it takes Steve 9 hours to paint the same room. How long would it take them to paint the room if they worked together?

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eggkulit eggkulit

21-04-2017

It would take them 17 hours if they worked together, but it could be 1 hour too.

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