Two machines

The first machine can produce parts in 24 hours, the second in 16 hours. The first started working at 6:00 pm. Second at 10:00 o'clock. At what hour were all parts made?

Result

x = 18:00 hh:mm

Step-by-step explanation:

$$\begin{gathered} (t-6.00)\mathrm{/}24+(t-10.00)\mathrm{/}16=1 \\ 5t=90 \\ t=18 \\ x=t=18=18=18:00\text{ hh}:\text{mm} \end{gathered}$$

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