Question 1092370
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<pre>
Since you ask for numerical answer only, I give the solution in the shortest form:

Gina's average speed = {{{(2*42)/3}}} = 2*14 = 28 km/h.
</pre>

<U>Answer</U>.  Gina's average speed is 28 km/h.


There is the lesson on solving catching-up problems 

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/word/travel/Typical-catching-up-Travel-and-Distance-problems.lesson>Travel and Distance problems for two bodies moving in the same direction (catching up)</A>

in this site.