Clock

What time is now if the time elapsed afternoon is 2/10 of time that elapses before midnight?

Result

hh:mm = 14:00

Step-by-step explanation:

$$\begin{gathered} x=12+t \\ t={\displaystyle \frac{2}{10}}(12-t) \\ t={\displaystyle \frac{12\cdot 2}{2+10}}=2 \\ x=12+t=14=14:00 \end{gathered}$$

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