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Vsevolod [243]
2 years ago
9

Please help me Vote you brainiest but please just help

Chemistry
1 answer:
Goryan [66]2 years ago
4 0
Their average speed during the trip is 53 km/ hr approximately

Explanation: The family traveled 80 km/hr for an hour and then trabeled 40 km/ hr for 2 hours. So they traveled 80 km in one hour then 80 km in the next 2 hours. Total they traveled 160 km in 3 hours.
Average speed = distance traveled/ taken time
= 160/3 = 53.33
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