Cleaner hours extension

The department store originally employed 8 cleaners for reduced working hours of 4 hours a day. When two of them terminated their employment, 6 cleaners agreed to extend their original daily working hours. Specify its length in hours and minutes.

Result

t = 5:20 hh:mm

Step-by-step explanation:

$$\begin{gathered} 8\cdot 4=6\cdot t \\ 6t=32 \\ t=\frac{32}{6}=5.33333333 \\ t=\frac{16}{3}\doteq 5.333333=5.33333=5:20\text{hh}:\text{mm} \end{gathered}$$

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