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Mathematics 9 Online
OpenStudy (joshtray):

It takes Bradley 8 minutes to fill a tank with water. Kaitlin takes 4 minutes to do the same task. How long will it take both of them, working together, to fill the tank?

satellite73 (satellite73):

quick way?

satellite73 (satellite73):

\[\frac{4\times 8}{4+8}\] and you are done

OpenStudy (joshtray):

Thanks @satellite73

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