## Working alone at its own constant rate, a machine seals $$k$$ cartons in $$8$$ hours, and working alone at its own const

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### Working alone at its own constant rate, a machine seals $$k$$ cartons in $$8$$ hours, and working alone at its own const

by Gmat_mission » Sun Sep 12, 2021 8:54 am

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## Global Stats

Working alone at its own constant rate, a machine seals $$k$$ cartons in $$8$$ hours, and working alone at its own constant rate, a second machine seals $$k$$ cartons in $$4$$ hours. If the two machines, each working at its own constant rate and for the same period of time, together sealed a certain number of cartons, what percent of the cartons were sealed by the machine working at the faster rate?

A. $$25\%$$

B. $$33\frac13\%$$

C. $$50\%$$

D. $$66\frac23\%$$

E. $$75\%$$