Question 1076402
<pre>
                  SPEED       TIME       DISTANCE
M to B            70          t          70t
B to M            50          t+2        50(t+2)
Total                                    280
</pre>

{{{highlight_green(70t+50(t+2)=280)}}}


{{{7t+5(t+2)=28}}}
{{{7t+5t+10=28}}}
{{{12t=18}}}
{{{t=18/12=highlight(3/2)}}}


The two trains meet  1.5 hours after the Memphis to Birmingham train leaves.