Respuesta :

Answer:

2  1/6 hours.

Step-by-step explanation:

It walks 1 1/2 miles  in 3 1/4 hours.

So it walks 1 mile in (3 1/4 ) /  (1 1/2) hours.

= 13/4 / 3/2

= 13/4 * 2/3

= 26/12 hours

=  2  1/6 hours.

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