Question #f9216

The speed is given in miles per hour. So the units for time is in hours. 45 minutes is $\frac{3}{4}$ hour so 1 hour 45 minutes is $1 \frac{3}{4} \to \frac{7}{4}$ hours
Total distance traveled is $\text{speed"xx"time" -> 52xx7/4 = 91" miles}$