A and B start walking towards each other at 5am at speed of 4kmph and 8kmph. They were initially 36km apart. At what time do they meet?	Select the correct option:
A) 8am	B) 6am	C) 7am	D) 10am	E) 8pm
Time of meeting = distance / relative speed = 36/8 + 4 = 36/12= 
<gadget id="calculator">36/12</gadget>
<output>3</output>
3 hrs after 5am= 8am   8amnswer is 8am
<result>A</result>
A and B start walking towards each other at 5am at speed of 4kmph and 8kmph. They were initially 36km apart. At what time do they meet?