Aaron will jog from home at 5 miles per hour and then walk back home by the same route at 10 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 choice from the following answers:
A) 15
B) 18
C) 10
D) 12
E) 14
xyt/(x+y)   x= 5, y=10, t= 3   5*10*3/5+10 = 150/50 = 10   Answer : 10
<result>C</result>
Aaron will jog from home at 5 miles per hour and then walk back home by the same route at 10 miles per hour. How many miles from home can Aaron jog so that he spends a total of 3 hours jogging and walking?