Aaron will jog from home at 6 miles per hour and then walk back home by the same route at 12 miles 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 option:
A) 12  B) 14  C) 16  D) 15  E) 11
xyt/(x+y)   x= 6, y=12 t= 3   6*12*3/6+12 = 12   12nswer : 12
<result>A</result>
Aaron will jog from home at 6 miles per hour and then walk back home by the same route at 12 miles per hour. How many miles from home can Aaron jog so that he spends a total of 3 hours jogging and walking?