Two cyclists are moving towards each other at 10 miles/hour. They are now 50 miles apart. At this instance a fly starts from one cyclist and move towards other and moves to and fro till the two cyclist meet each other. If the fly is moving at 15 miles/hour, what is the total distance covered by the fly?  Choose the most appropriate option.
A) 37.5 miles
B) 38.5 miles
C) 39.5 miles
D) 36.5 miles
E) 35.5 miles
time taken by cyclists to meet = 50/20 2.5 hrs   distance covered by fly during 2.5 hrs = 15*2.5= 
<gadget id="calculator">15*2.5</gadget>
<output>37.5</output>
37.5 miles   37.5 milesNSWER:37.5 miles
<result>A</result>
Two cyclists are moving towards each other at 10 miles/hour. They are now 50 miles apart. At this instance a fly starts from one cyclist and move towards other and moves to and fro till the two cyclist meet each other. If the fly is moving at 15 miles/hour, what is the total distance covered by the fly?