Aaron will jog from home at 2 miles per hour and then walk back home by the same route at 4miles per hour. How many miles from home can Aaron jog so that he spends a total of 3 hours jogging and walking?  Choose the correct choice from the following answers:
A) 5
B) 7
C) 3
D) 9
E) 10
xyt/(x+y)   x= 2, y=4 t= 3   2*4*3/2+4 = 18/6= 
<gadget id="calculator">18/6</gadget>
<output>3</output>
3   Answer : 3
<result>C</result>
Aaron will jog from home at 2 miles per hour and then walk back home by the same route at 4miles per hour. How many miles from home can Aaron jog so that he spends a total of 3 hours jogging and walking?