Respuesta :

=9 1/3 * 3 miles 
=27 3/3 
=28 minutes
1 / 9 1/3 = 3 1/2 / x

7/2 * 28/3 = 196/6

32 4/6 = 32 2/3

32 2/3 minutes for 3 1/2 miles