Answer:
Total distance, 
Explanation:
It is given that,
Speed of Aaron from home is y mph and walk back at x mph. Let t is the total time he spend in walking and jogging. Let d is the distance covered.
We he moves from home to destination, time is equal to, 
Similarly, when he move back to home, time taken is equal to 
Total time taken is equal to :




So, the distance he speed in walking and jogging is
. Hence, this is the required solution.
Explanation:
Substances become neutral at the number 7 because at this point, the acid and Base are equal and becomes neutralized