Step-by-step explanation:
[tex]distance = 41km[/tex]
[tex]time = 35min = \frac{35}{60} hr[/tex]
[tex]speed = \frac{distance}{time} [/tex]
[tex]speed = \frac{41}{ \frac{35}{60} } [/tex]
[tex]speed = \frac{41 \times 60}{35} [/tex]
[tex]speed = 70.286 \: or \: 70.3km\hr[/tex]