Aaron will jog from home at 3 miles per hour and then walk back home by the same route at 6 miles per hour. How many miles from home can Aaron jog so that he spends a total of 3 hours jogging and walking?
Pick one: A) 3 B) 6 C) 2 D) 5 E) 8
xyt/(x+y)   x= 3, y=6, t= 3   3*6*3/3+6 = 54/9= 
<gadget id="calculator">54/9</gadget>
<output>6</output>
6   Answer : 6
<result>B</result>
Aaron will jog from home at 3 miles per hour and then walk back home by the same route at 6 miles per hour. How many miles from home can Aaron jog so that he spends a total of 3 hours jogging and walking?