Question 1174283
<br>
x = # from pony express
x+2 = # from UPS ("two more than Pony Exp")
3(x+2) = # from Fed Exp ("three times as many as UPS")<br>
The total number of packages was 13:<br>
{{{(x)+(x+2)+(3(x+2)) = 13}}}<br>
Solve with basic algebra; I leave that to you.<br>