carlos is driving of 270 km from his house to a ski resort. Carlos had to travel first on a rural road where he drove ctance 15 minutes, For the rest of the trip, Carlos travelled on a highway where he drove on average 15 km every Carlos is driving a total on average 12 km every 15 mu imtes The trip took Carlos a total of 3 hours and 45 minutes. How many kilometers did Carlos drive on the highway?R