Respuesta :

fieryanswererft

Answer:

45 minutes or can be also 0.75 hours

Step-by-step explanation:

per hours refers to 1 hours.

40 km ---> 1 hours

1 km ---> 1/40 hours

30 km ---> { ( [tex]\frac{1}{40}[/tex] ) * 30} hours

          --> 0.75 hours

Conversion: 0.75 * 60 minutes

                   : 45 minutes

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