starbabie1990 starbabie1990

27-11-2016
Mathematics

contestada

Hannah can paint a room in 12 hours. Destiny can paint the same room in 9 hours. How long does it take for both Hannah and Destiny to paint the room it they are working together.

Respuesta :

27-11-2016

1 hours and 33 min if they work together

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rosevaldez rosevaldez

27-11-2016

they will both finish in exact 3 hours

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