Question 1173684
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<pre>

Let "t" be the time traveled by the train.


Then the time traveled by the bus was (6-t) hours.


Next, you write the total distance equation


    70t + 60*(6-t) = 395.


Finally, you solve this equation


    t = {{{(395 - 60*6)/(70-60)}}} = 3.5.


<U>ANSWER</U>.  3.5 hours by the train.
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Solved.