Points A and B are 100 km apart on a highway
Points A and B are 100 km apart on a highway. One car starts from A and another from B at the same time. If the cars travel in the same direction, they meet in 5 hours. If the cars travel towards each other, they meet in 1 hour. What is the speed of the faster car?
(a) 70 km/hour
(b) 40 km/hour
(c) 60 km/hour
(d) 80 km/hour