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Dr. Carlotta A. Berry, PhD


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?

· 30 people · Closed
anomalocaris

spoiler (unless I'm wrong)

@drcaberry I think 1/((1/2.4)-(1/3))

Dr. Carlotta A. Berry, PhD

spoiler (unless I'm wrong)

@anomalocaris I think you may be right!

Jul 10, 2023, 17:40 · · 0 · 1
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