15.Places A and B are 80 km apart from each other on a highway. A car

1.	15.Places A and B are 80 km apart from each other on a highway. A car starts from A andanother from B at the same time. If they move in same direction they meet in 8 hours and ifthey move towards each other they meet in 1 hour 20 minutes. Find the speed of cars.
Answer» Let speed of A be Km/h and speed of B be km/h And we know that distance =80km 80=(a-b) ×8 and 80=(a+b)×(4/3) a-b=10 and a+b=60 a= 35. , b=25

15.Places A and B are 80 km apart from each other on a highway. A car starts from A andanother from B at the same time. If they move in same direction they meet in 8 hours and ifthey move towards each other they meet in 1 hour 20 minutes. Find the speed of cars.

Answer»

Let speed of A be Km/h and speed of B be km/h

And we know that distance =80km

80=(a-b) ×8 and 80=(a+b)×(4/3)

a-b=10 and a+b=60

a= 35. , b=25