$\frac{1mi}{1.6km}$  

 $\frac{1.6km}{1mi}$  

 $\frac{60\min}{1hr}$  

 $\frac{1hr}{60\min}$  

 $\frac{1mi}{1.6km}$  

 $\frac{1.6km}{1mi}$  

 $\frac{60\min}{1hr}$  

 $\frac{1hr}{60\min}$  

$7hrs\ \cdot\ \frac{60hrs}{1\min}\cdot\frac{60\min}{1\sec}=25,200\sec$

.89 cups

.49 cups

.29 cups

1 cup

 $\frac{\left(117,000\ mi\right)}{1\ hr}$  

 $\frac{\left(200,000\ mi\right)}{1\ hr}$  

 $\frac{\left(120,000\ km\right)}{1\ hr}$