Town x and town y were 270km apart. a car started from town x towards town y at a uniform speed of 60km/hr, while a motorcycle started from town y to town x at a uniform speed of 90 km/ht. Both the car and the motorcycle started their journeys at 5:15am.
a) At what time did they pass each other?
b) How far away was the car from town y when it passed the motorcycle?