Răspuns:
Explicație:
15 min = 15/60 h = 1/4 h
d = v x t = 68 x 1/4 = 17 km
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sau 60 min....................68 km
15 min...................68 x 15 : 60 = 17 km
Bună!
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[tex]v = \frac{d}{t} = > \pink{d = v \times t} \\ \\ 1 \: oră \: ........... \: 60 \: minue \\ x \: ore \: ............ \: 15 \: minue \\ x = \frac{15}{60} = 0.25 \: ore \\ \\ d = v \times t \\ d = 68 \: \frac{km}{h} \times 0.25 \: h \: = 17 \: km[/tex]