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sophie leaves school and travels east at an average speed of 40km/h, jenny leaves school one hour later and travels west at an average speed of 50km/h, determine how many hours after jenny leaves school they will be "400km" apart

Respuesta :

michell96

Considering the speeds given, it is expected Sophie and Jenny are 400 km apart after a total of 5 hours.

How will their position change over time?

Jenny:

  • 1 hour later:  40 km east
  • 2 hours later: 80 km east
  • 3 hours later: 120 km east
  • 4 hours later: 160 km east
  • 5 hours later: 200 km east

Sophie:

  • 1 hours later: 0 km
  • 2 hours later: 50 km west
  • 3 hours later: 100 km west
  • 4 hours later: 150 km west
  • 5 hours later: 200 km west

When wil they be 400 km apart?

It is expected 5 hours later they are 400km apart because at this time each of them will be 200km away from school.

Learn more about kilometers in: https://brainly.com/question/13987481

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