Question

Cati kilometri au parcurs in total?

Answer 1

$x = \frac{x}{2} + \frac{x}{6} + 2 \\ \\ x - \frac{4x}{6} = 2 \\ \\ \frac{2x}{6} = 2 \\ \\ 2x = 12 \\ \\ x = 6 \: km$

Answer 2

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