A chemist$$'$$s report on a batch of pharmaceutical products, Aspirin $$\mathrm{C_9H_8O_4}$$ of $$250\,\mathrm{mg}$$ and Paracetamol $$\mathrm{C_8H_9NO_2}$$ of $$500\,\mathrm{mg}$$ indicated a $$+0.5\%$$ weight error in each tablet. Due to this error, the consumer gets extra $$x$$ molecules of aspirin per tablet and extra $$y$$ molecules of paracetamol per tablet. Choose the best relation between $$x$$ and $$y$$.