# Speed of car

In 2 hours 40 mins, a car travels 100km. At what speed is the car traveling?

Result

v =  37.5 km/h

#### Solution:

$t=2+40/60=\dfrac{ 8 }{ 3 } \doteq 2.6667 \ \text{h} \ \\ s=100 \ \text{km} \ \\ \ \\ v=s/t=100/2.6667=\dfrac{ 75 }{ 2 }=37.5 \ \text{km/h}$

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