Question 1136004
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<pre>
Let "t" be the time traveling at the speed of 8 mph.

Then the time traveling at 16 mph is (6-t) hours.


The distance traveled in each direction is the same; it gives you an equation


8t = 16*(6-t).


Simplify and solve it for t:


8t = 16*6 - 16t

8t + 16t = 96

24t = 96    =======>     t = 96/24 = 4 hours traveling at 8 mph.   <U>ANSWER</U>


The rest  6 - 4 = 2 hours traveling at 16 mph.    <U>ANSWER</U>
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You also can notice that for every 2 hours traveling at 8 mph, should be 1 hour traveling at 16 mph.


As soon as you notice it, you can solve the problem mentally, without using equations.



Happy learning !