Mathematics · Time and Work
A conveyor belt alone can fill a crate in 20 min while a robotic arm can empty it in 1 hour. Belt A started filling the crate and after some time, the robotic arm was deactivated, and the remaining part of the crate was filled by the belt in 8 min. After how much time from the start was the robotic arm deactivated?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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Correct answer
18 min
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