Respuesta :
Answer:
The answer is B
Explanation:
speed = distance/time
s = 280/5
= 56mi/hr
time = distance/speed
t = 420/56
= 7.5hr
Answer:
The answer is B
Explanation:
speed = distance/time
s = 280/5
= 56mi/hr
time = distance/speed
t = 420/56
= 7.5hr