Danny and Steve are running towards each other, each one from his own house. Danny can reach Steve's house in 35 minutes of running, which is half the time it takes Steve to reach Danny's house. If the two started to run at the same time, how much time longer will it take Steve to reach the halfway point between their houses than Danny to reach the halfway point between their houses?  Choose the correct choice from the following
A) 17.5 minutes.	B) 35 minutes.	C) 52.5 minutes.	D) 70 minutes.	E) 105 minutes.
Danny's time is 35 minutes. The time to reach halfway is 17.5 minutes.   Steve's time is 70 minutes. The time to reach halfway is 35 minutes.   The time difference is   35 - 17.5= 
<gadget id="calculator">  35 - 17.5</gadget>
<output>17.5</output>
17.5 minutes   The answer is 17.5 minutes..
<result>A</result>
Danny and Steve are running towards each other, each one from his own house. Danny can reach Steve's house in 35 minutes of running, which is half the time it takes Steve to reach Danny's house. If the two started to run at the same time, how much time longer will it take Steve to reach the halfway point between their houses than Danny to reach the halfway point between their houses?