<PRE><B>Question 261181</B>
.
Mary walked 4 laps around the park track. It took Mary 4 minutes to walk the first
lap. The second lap took 25% longer than the first lap. The third lap took 20%
longer than the second lap. The final lap took 50% longer than the third. What was
Mary�s total walking time for the 4 laps?
~~~~~~~~~~~~~~~~~~~~~



The correct answer to this problem is not 5+6+9 = 20 minutes, as it is stated in the @mananth solution.


The correct answer is  4 + 5 + 6 + 9 = 24 minutes.



</PRE>