Question

a car moves a distance of 2592 km with uniform speed. the number of hours taken for the journey is one half the number representing the speed, in km/hr. find the time taken to cover the distance

Answer 1

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Answer 2

Distance = 2592 km

Let the speed be x km/h

The number of hours needed = x/2

Find the time:

Time = Distance ÷ Speed

x/2 = 2592 ÷ x

x/2 = 2592/x

cross multiply:

x² = 5184

x = √5184

x = 72

Find the time:

Time = x/2

Time = 72/2 = 36 hours

Answer: The car will need 36 hours to cover 2592 km