Question 1129138
<pre>
             SPEED          TIME      DISTANCE

Deandre        6            x+4         d

Trent          14            x          d
</pre>

{{{6(x+4)=14x}}}

-

{{{3(x+4)=7x}}}

{{{3x+12=7x}}}

{{{12=4x}}}

{{{highlight(x=3)}}}