The distance from City A to City B is 200 miles. While driving from City A to City B, Glen drives at a constant speed of 40 miles per hour. Hannah leaves City A 108 minutes after Glen. What is the minimum constant speed in miles per hour that Hannah must exceed in order to arrive in City B before Glen?	Pick one:
A) 52.5	B) 55	C) 57.5	D) 60	E) 62.5
The time it takes Glen to drive to City B is 200 / 40= 
<gadget id="calculator">200 / 40</gadget>
<output>5</output>
5 hours.   Hannah needs to take less than 3.2 hours for the trip.   Hannah needs to exceed a constant speed of  200 / 3.2= 
<gadget id="calculator"> 200 / 3.2</gadget>
<output>62.5</output>
62.5 miles per hour.   The answer is 62.5.
<result>E</result>
The distance from City A to City B is 200 miles. While driving from City A to City B, Glen drives at a constant speed of 40 miles per hour. Hannah leaves City A 108 minutes after Glen. What is the minimum constant speed in miles per hour that Hannah must exceed in order to arrive in City B before Glen?