Answer :
you need to convert minutes to hours so
[tex] \frac{2.2 mi}{20 min} x \frac{60 min}{1 hr} = \frac{6.6 mi}{1 hr} [/tex]
[tex] \frac{2.2 mi}{20 min} x \frac{60 min}{1 hr} = \frac{6.6 mi}{1 hr} [/tex]
