Question 1059638
Typical traveling rates catchup problem.  


<pre>
                SPEEDS        TIMES       DISTANCES
SLOW EARLY       40           t+3           d
FAST LATE        55            t            d



PURELY IN VARIABLES

                SPEEDS        TIMES       DISTANCES
SLOW EARLY       r            t+h           d
FAST LATE        R             t            d

{{{system(r=40,R=55,h=3)}}}
</pre>

{{{system(r(t+h)=d,Rt=d)}}}


{{{r(t+h)=Rt}}}

{{{rt+rh=Rt}}}

{{{Rt-rt=rh}}}

{{{(R-r)t=rh}}}

{{{highlight(t=(rh)/(R-r))}}}


Use the given values to evaluate time t.