Respuesta :

sqdancefan

Answer:

  75 mph

Step-by-step explanation:

In this kind of problem, "per" means "divided by". To find miles per hour, compute miles divided by hours:

  (60 mi)/(4/5 h) = (60×5/4) mi/h = 75 mi/h

Nellie is going 75 miles per hour.

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