The sequence (xn)n≥1(x_n)_{n\ge1} of reals satisfies lim⁡n→∞(x2n+x2n+1)=315\lim_{n\to\infty} (x_{2n} + x_{2n+1}) = 315 and lim⁡n→∞(x2n+x2n−1)=2003\lim_{n\to\infty}(x_{2n} + x_{2n-1}) = 2003. Find lim⁡n→∞x2n/x2n+1\lim_{n\to\infty} x_{2n}/x_{2n+1}.

Source: HMMT February 2003

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