Given:
The speed of driver is 99 miles/hour.
The objective is to find the speed in kilometers/hour and kilometers/minute.
Explanation:
Conversion of miles/hour to kilometers/hour:
Since it is given that 1 mile = 1.61 kilometers.
[tex]\begin{gathered} 99\text{ miles/hour=99 miles/hour(}\frac{1.61\text{ kilometers}}{1\text{ miles}}\text{)} \\ =159.39\text{ kilometers/hour} \\ \approx159.4\text{ kilometers/hour} \end{gathered}[/tex]Conversion of kilometers/hour to kilometers/minute:
Since, it is given that 1 hour = 60 minutes.
[tex]\begin{gathered} 99\text{ miles/hour=99miles/hour(}\frac{1.61\text{ kilometers}}{1\text{ miles}})(\frac{1\text{ hour}}{60\text{ minutes}}) \\ =2.6565\text{ kilometers/minute} \\ \approx2.7\text{ kilometers/minute} \end{gathered}[/tex]Hence, speed is equivalent to 159.4 kilometers/hour or 2.7 kilometers/minute.
