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Old 2009 August 4th, 10:33 PM   #6 (permalink)
colina
Eager!
 
Join Date: Jul 2009
Posts: 77
colina just joined TestMagic.
2. (Question 2) We can beginning reversing the order:

2 at 20 min
4 at 15 min
8 at 10 min
16 at 5 min.

So 16 is te answer. As you mention before.
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