Solution: We are given that current speed limit in some states in the united states is 55 miles per hour
We need to convert the current speed limit into kilometers per hour
We know that:
[tex]1[/tex] mile [tex]= 1.609[/tex] kilometers
Therefore, the current speed limit in kilometers is:
[tex]\frac{55mi}{1 hr} \times \frac{1.609 km}{1 mi} =88.495[/tex] km/hr [tex]\approx 88[/tex] km/hr