Nena je automobilom put između dva grada prešla brzinom od
i odmah se vratila brzinom od
. Kolika je bila srednja brzina na njenom putu (u kilometrima na sat)?
Nena drove from one city to another at
and immediately returned at
. What was her average speed on that trip (in kilometers per hour)?
[lang=hr]
Nena je automobilom put između dva grada prešla brzinom od $60\text{km/h}$ i odmah se vratila brzinom od $40\text{km/h}$. Kolika je bila srednja brzina na njenom putu (u kilometrima na sat)?
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[lang=en]
Nena drove from one city to another at $ 60 \text {km/h} $ and immediately returned at $ 40 \text {km/h} $. What was her average speed on that trip (in kilometers per hour)?
[/lang]
