Derek Drives East At 120 Km/hr And Didong Goes West At 130 Km/hr . How Far Apart In Kilo…

derek drives east at 120 km/hr and didong goes west at 130 km/hr . How far apart in kilometer are they after 2 hours?

Answer:

Derek and Didong are 500 km apart after  hrs.

Step-by-step explanation:

Step 1: State assumption.

Assuming that Derek and Didong will start at the same reference point.

Step 2: Write the given

  1. Derek drives east at 120 km per hr.
  2. Didong drives west at 130 km per hr.

Step 3: Find the distance each of them traveled after 2 hrs.

  1. distance= (velocity)(time)
  2. Distance that Derek drove: (120 km per hr)(2 hrs)=240 km
  3. Distance that Didong drove: (130 km per hr)(2 hrs)= 260 km

Step 4: Since Derek and Didong are driving at opposite directions, then their distance is increasing over time.

In order to find their distance after 2 hrs, we simply need to add the distance that they covered.

  1. Total distance= Derek’s distance + Didong’s distance
  2. Total distance= 240 km + 260 km
  3. Total distance is 500 km.

Therefore, Derek and Didong is 500 km apart after 2 hrs.

For more practice problems and references, please refer to the following:

https://brainly.ph/question/970846

https://brainly.ph/question/122934

https://brainly.ph/question/1440926

Derek Drives East At 120 Km/hr And Didong Goes West At 130 Km/hr . How Far Apart In Kilo…

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