contestada

A car driving at a constant speed of 64 mi/h travels 68 miles. How many hours did this take?

Respuesta :

64 miles/hour
Therefore 1/64 hours/mile
68 miles * 1/64 hours/mile (notice how miles cancels out)
Therefore the answer is 68/64 hours = 1.0625 hours = 1 hour 3min and 45sec.

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