The pedestrian walked 8 km at a speed of 4 km / h. What path can a skier go if his speed is 2 times
| January 8, 2021 | education
The pedestrian walked 8 km at a speed of 4 km / h. What path can a skier go if his speed is 2 times the speed of a pedestrian, and the travel time is 2 times less?
Given:
The pedestrian walked 8 km.
Pedestrian speed 4 km / h.
The skier’s speed is 2 times higher.
Travel time is 2 times less.
Question: What path can a skier go?
Decision:
1) 8: 4 = 2 (h) there was a pedestrian.
2) 4 * 2 = 8 (km / h) speed of the skier.
3) 2: 2 = 1 (h) the skier was walking.
4) 8 * 1 = 8 (km) skier will pass.
Answer: A skier will walk 8 km if his speed is 2 times higher than the speed of a pedestrian, and the travel time is 2 times less.
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