The ratio of earnings of x and y is 13 : 15. If the earnings of x increases by 20% and the earnings of y decrease by 20% the new ratio of their earnings becomes 6 : 5. What is x's earnings?
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The ratio of earnings of x and y is 13 : 15. If the earnings of x increases by 20% and the earnings of y decrease by 20% the new ratio of their earnings becomes 6 : 5. What is x's earnings?