Answer:
t = 6hrs
Explanation:
Speed = distance/time
Speed at 160miles in 3.2hrs will be = 160/3.2= 50
At the constant speed of 50, time taken to travel 300miles
Is speed = distance / time
50 =300/t
Cross multiply
50t =300
Divide both sides by 50
t = 300/50
t = 6hrs