Pleaseeee help answer™

14.he take to reach his home
4)20min

14. [tex] s = 400m [/tex]
[tex]  v = \frac{1}{3}m/s [/tex]
[tex] vt = s [/tex]
[tex] t = \frac{400}{\frac{1}{3}} = 1200s = 20 min [/tex]

15. [tex] 200 \cdot \frac{8}{10} = 160 [/tex]
[tex] \frac{160}{10} =16kg/packet[/tex]
[tex] 5 \cdot 16 = 80kg [/tex]
[tex] \frac{80}{200} = 40% [/tex]