Respuesta :

akabane009

Answer:

He travelled 800m in 20s.

Step-by-step explanation:

7s = 280m

20s = 280/7 × 20m

= 40×20m

= 800m

brainsoft

Answer:

Distance is 800 m

Step-by-step explanation:

[tex]{ \tt{distance = speed \times time}}[/tex]

» Speed is 280/7 = 40m/s

» Time is 20 s

[tex]{ \tt{distance = 40 \times 20}} \\ = 800 \: { \tt{m }}[/tex]

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