Question 1209001
{{{RATE*TIME=DISTANCE}}}


{{{DISTANCE/SPEED=TIME}}}
<pre>
                SPEED           TIME          DISTANCE
RUN               6             x/6                x
BICYCLE          25             (87-x)/25        87-x
TOTAL                            5               87
</pre>

Equation to solve is  {{{x/6+(87-x)/25=5}}}.