Question

ex 29 si 30 help mee

Answer 1

29.) Folosim metoda de trei simpla:
48 km...................8 minute
60 km...................x minute

Deci
$\frac{48}{60 } = \frac{8}{x}$
De unde rezultă: x=
$\frac{60 \times 8}{48} = \frac{480}{48} = 10 \: minute$