<PRE><B>Question 1110157</B>
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&lt;pre&gt;
55*t - 50*t = 35     (distance by the 1-st car - distance by the 2-nd car = 35)


(55-50)*t = 35


5*t 35


t = {{{35/5}}} = 7.


&lt;U&gt;Answer&lt;/U&gt;.  After 7 hours.
&lt;/pre&gt;

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On introductory lessons on Travel and Distance problems see the lessons

&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;- &lt;A HREF=http://www.algebra.com/algebra/homework/word/travel/Travel-and-Distance-problems.lesson&gt;Travel and Distance problems&lt;/A&gt;  

&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;- &lt;A HREF=https://www.algebra.com/algebra/homework/word/travel/Travel-and-Distance-problems-for-two-bodies-moving-toward-each-other.lesson&gt;Travel and Distance problems for two bodies moving in opposite directions&lt;/A&gt; 

&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;- &lt;A HREF=https://www.algebra.com/algebra/homework/word/travel/Typical-catching-up-Travel-and-Distance-problems.lesson&gt;Travel and Distance problems for two bodies moving in the same direction (catching up)&lt;/A&gt;

in this site.


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