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MathNet 2013 Question 43

Math Olympiad Vault · MathNet 2013

Question 43

A herd of deer consists of harts and hinds. Hinds represent $55\%$ of the herd, and their weight is $45\%$ of the total weight of the herd. How many times is the average weight of a hart greater than the average weight of a hind?
(A) $\frac{81}{40}$
(B) $\frac{3}{2}$
(C) $\frac{121}{81}$
(D) $\frac{11}{9}$
(E) $\frac{6}{5}$