SOLUTION: Anna left the science museum and drove south. Gina left three hours later driving 42 km/h faster in effort to catch Anna. After 2 hours, Gina caught up with Anna. What was Gina'

Question 1092370: Anna left the science museum and drove south. Gina left three hours later driving 42 km/h faster in effort to catch Anna. After 2 hours, Gina caught up with Anna. What was Gina's average speed as she tried to catch Anna? Just give the numerical answer for Gina's speed.
Answer by ikleyn(52908) (Show Source): You can put this solution on YOUR website!
.

Since you ask for numerical answer only, I give the solution in the shortest form:

Gina's average speed =  = 2*14 = 28 km/h.

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

There is the lesson on solving catching-up problems
- Travel and Distance problems for two bodies moving in the same direction (catching up)
in this site.

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