Practicing Success
X and Y starts at same time to ride from A to B, which is 80 km away from A. X travels 8 km/h slower than Y. Y reaches B and turns back meeting X, 16 km from B. Find Y's speed (in km/h). |
12 km/h 16 km/h 24 km/h 30 km/h |
24 km/h |
Distance X Y 64 96 4 : 6 Speed 6 : 4 ↓ ↓ (Diff. 2) ↓ ↓ ↓ ×4 ×4 ×4 ↓ ↓ ↓ 16 8 24 km/h |