Mathematics, 29.09.2019 10:30 jourdyno

Rhonda can paint a room in 4 hours. sam can paint the same room in 5 hours. rhonda and sam worked together for one hour then sam finished the remaining part of the work alone. how long did it take sam to finish the remaining part?

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Rhonda can paint a room in 4 hours. sam can paint the same room in 5 hours. rhonda and sam worked to...