No.132 Distance and Time
Example
The distance from Point A to Point C via Point B is 17 km. A person walks from A to B at 4 km/h and from B to C at 6 km/h, taking 3 hours in total. Find the distances from A to B and from B to C.
POINT
Use time = distance ÷ speed, and write equations for the total distance and total time.
A to B: 2 km; B to C: 15 km
TRY
TRY 1
The total distance from A to C via B is 14 km. A person travels from A to B at 3 km/h and from B to C at 6 km/h, taking 3 hours in total. Find each distance.
A-B 4km、B-C 10km
TRY 2
The total distance from A to C via B is 18 km. A person travels from A to B at 4 km/h and from B to C at 8 km/h, taking 3 hours in total. Find each distance.
A-B 6km、B-C 12km