Using the following image-solve the problems below given that M the midpoint of LN.

Answer this question only if you know the answer! 30 points and

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?