Question 1184643
<pre>
           SPEED       TIME      DISTANCE

Shawna       30         d/30        d

Shreya       40         d/40        d

Difference               1
</pre>
{{{d/30-d/40=1}}}

Solve for d.  Evaluate {{{d/30}}}.

.

.

{{{d=120}}}
and
{{{d/30=120/30=highlight(4)}}}