Respuesta :

Trancescient

Step-by-step explanation:

a) d = 60 mi

t = 45 min = 0.75 hr

v = d/t

= (60 mi)/(0.75 hr)

= 80 mi/hr

b) t = d/v

= (75 mi)/(50 mi/hr)

= 1.5 hrs