Respuesta :

immadforbrainlist

Step-by-step explanation:

Distance covered is 168 km .

Time taken is 4 hours .

Speed = distance covered / time taken

=168/4

=42 kmph

In 80 minutes or 4/3 hours it would cover

42*4/3

=14*4

=56 km
Answer: 84mph

Explanation: 168 divided by 2 equals 84

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