cristal65 cristal65

30-09-2018
Chemistry

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Alexis drove her car for 3 hours and drove 150 miles and then drove 350 miles in 4 hours what is her average speed

Alexis drove her car for 3 hours and drove 150 miles and then drove 350 miles in 4 hours what is her average speed class=

Respuesta :

30-09-2018

Answer: 71.43 mph
Explanation: Adding 150 with 350 gives us 500 for the total distance and adding 3 with 4 gives us 7 for the total time. Dividing 500 by 71.428571 round to 71.43 mph

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