Problem
of the
Week

The following puzzle appeared in the first volume of The Mathematical Visitor, in 1881!

PROBLEM 67

A cup of wine is suspended over a second cup of equal capacity full of water.  Through a small hole in the bottom, the wine drips into the water, and the mixture again drips out of a small hole in the lower glass at the same rate.  When the wine cup is completely empty, what part of the content of the lower cup is water?

(Assume that the wine and water mix completely and instantly.)


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