
Вася может прополоть 4 грядки за 5 часов,петя 3 грядки за 7 часов лена 14 грядок за 21 часа коля 2
грядки за 6 часов кто из них работает медленнеепозязязязязязязязязязя

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Calculation of Work Efficiency
To determine who works at a slower pace, we can compare the work efficiency of Vasya, Petya, Lena, and Kolya based on the number of garden beds they can weed in a given time frame.
According to the information provided: - Vasya can weed 4 garden beds in 5 hours. - Petya can weed 3 garden beds in 7 hours. - Lena can weed 14 garden beds in 21 hours. - Kolya can weed 2 garden beds in 6 hours.
To compare their work efficiency, we can calculate the number of garden beds each person can weed per hour.
Vasya's work efficiency: Vasya can weed 4 garden beds in 5 hours, so his work efficiency is 4 garden beds / 5 hours = 0.8 garden beds per hour.
Petya's work efficiency: Petya can weed 3 garden beds in 7 hours, so his work efficiency is 3 garden beds / 7 hours ≈ 0.43 garden beds per hour.
Lena's work efficiency: Lena can weed 14 garden beds in 21 hours, so her work efficiency is 14 garden beds / 21 hours ≈ 0.67 garden beds per hour.
Kolya's work efficiency: Kolya can weed 2 garden beds in 6 hours, so his work efficiency is 2 garden beds / 6 hours ≈ 0.33 garden beds per hour.
Based on these calculations, we can see that Kolya has the lowest work efficiency, as he can weed the fewest garden beds per hour compared to the other individuals.
Therefore, Kolya works at a slower pace compared to Vasya, Petya, and Lena.


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