Question 1197567
<pre>
                 SPEED           TIME         DISTANCE

A to C           r-w=d/2.8       2.8            d

C to A           r+w=d/2         2.0            d

Total                            4.8           2d
</pre>
Average, for round trip, given as 150 mph.

{{{2d/4.8=150}}}

{{{d=(4.8*150)/2}}}

{{{d=2.4*150}}}

{{{d=360}}}

-

{{{system(2.8(r-w)=360,2(r+w)=360)}}}

{{{system(r-w=128.571428,r+w=180)}}}


{{{system(r=154.285714,w=25.714286)}}}


Close enough to {{{highlight(w=26)}}}