Temporary workers

Three temporary workers work in the warehouse and unload the goods in 9 hours. In what time would five temporary workers unload the same products?

Result

t =  5.4 h

Solution:

$t = 3 \cdot \ 9/5 = \dfrac{ 27 }{ 5 } = 5.4 = 5.4 \ \text{ h }$

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