CAYLEY 2004 Problem 14

Past Contests CAYLEY CAYLEY - 2004
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1

If x and y are positive numbers and the average of 4,20 and x is equal to the average of y and 16, then the ratio x:y is

Answer Choices
A. 3:2
B. 2:3
C. 1:1
D. 2:5
E. 5:2