Respuesta :

marcthemathtutor

Answer:

3-1/2 miles / hr

Step-by-step explanation:

distance = 9-5/8 = 77/8 miles

time = 2-3/4 = 11/4 = 22/8 hours

speed,

= distance ÷ time

= 77/8 ÷ 22/8

= 77/8 x 8/22

= 77/22

= 3-1/2 miles / hr