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Kiante' can clean a room in 3 hours. If his little sister, Kiandrea helps, they can clean it in 2.4 hours. How long does it take Kiandrea to clean the room alone?
@drcaberry If she's anything like me then the answer's infinity as there's no point in cleaning up if there's no-one else there to appreciate it.
#maths
@drcaberry Sorry, couldn't resist.
@spacemagick Please never do!!!