We need to find the time taken to travel from Frederick, MD to Baltimore, MD at a speed of 15 miles per hour.
The time taken to travel the distance is 3 hours and 20 minutes.
The shortest route from Frederick to Baltimore is 50.2 miles via the I-70 E.
So we can assume this route will be taken.
Speed of the cyclist = 15 mph
Time is given by distance divided by speed.
So,
[tex]t=\dfrac{50.2}{15}\\\Rightarrow t=3.34\ \text{hours}[/tex]
Converting to hours and minutes
[tex]0.34\times 60=20.4\approx 20[/tex]
The time taken by the cyclist would be about 3 hours and 20 minutes.
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