sunshinny00 sunshinny00

23-10-2016
Mathematics

contestada

Two cranes can unload a ship together in 4 hours. The faster crane takes 6 hours less than the slower crane, if each were to unload the same ship alone. How long does it take for each crane to unload this ship?

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frenchfry15 frenchfry15

23-10-2016

The slower crane will unload the ship in 30 hours.

The faster crane will upload the ship in 20 hours.

:)

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