Respuesta :
Answer:
1.5 miles
Step-by-step explanation:
set up a proportion:
0.5 x
-------- = ---------
20 60
0.5(60) = 20x
30=20x
(divide by 20 on both sides)
x= 1.5 miles
1.5 miles because 3 times 20 mins is 60 mins which is one hour and there’s .5 miles every 20 mins so 3x.5 is 1.5
