A car traveling with constant speed travels 150 km in 7200 s. What is the speed of the car?

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Answer: 75kmph  

Explanation: First simplify the 7200 second into minutes.  7200/60 = 120 . 

Then simplify into hours.  120/60 = 2 . 

Finally divide the total distance(150km) by the time it took to cover that distance to find the kmph(kilometers per hour).  150/2 = 75  

The final answer is 75kmph.

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