a and b start walking towards each other at 5 am at speed of 4 kmph and 8 kmph. they were initially 36 km apart. at what time do they meet? Choose the correct choice from the following answers:
A) 8 am	B) 6 am	C) 7 am	D) 10 am	E) 8 pm
<gadget id="calculator">4 + 8</gadget>
<output>12</output>

<gadget id="calculator">36 / 12</gadget>
<output>3</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<result>A</result>
a and b start walking towards each other at 5 am at speed of 4 kmph and 8 kmph. they were initially 36 km apart. at what time do they meet?
add(5, divide(36, add(4, 8)))
time of meeting = distance / relative speed = 36 / 8 + 4 = 36 / 12 = 3 hrs after 5 am = 8 am answer is a