Question

3. A car is travelling with a speed of 50 2/5 km/h. How much time will it take totravel the distance of 200 km 100 m.
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Answer 1

Answer:

Hi.

Here is your answer---

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Given---

   Speed = 50 2/5 km/hr.

              = 252/5 km/hr    [ Converting into simple Faction]

              = (252/5) × 5/18 [ Converting into m/s.]

              = 14 m/s.

Distance = 200 km + 100 m

               = 200000m  + 100 m

               =  200100 m

Using the Formula,

   Speed = Distance/Time

 Time = Distance/Speed

          = 200100/14

          = 14292.86 seconds.

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Answer 2

Speed= 50 2/5 KMPH = 50.4 kmph

Distance = 200 Km and 100m = 200.1 km (1Km= 1000m,so 100 m = .1km)

Time= Distance/Speed = 200.1/50.4 = 3.9702381 hours.

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