Question

a car move 20km at a speed of 30km/h and next 20km with a speed of 60km/h. What is the total time taken in this whole journey? ​

Answer 1

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Answer 2

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♦️Time = distance /speed

♦️️ Time = 20/30 + 20/60

♦️️ time = 40 + 20/60

♦️️ time = 60/60

♦️️ TIME ==> 1 hour.