# External division

Geometry Level 2

Points $$A=(0,5)$$ and $$B=(10, 13)$$ are joined to form line segment $$\overline{AB}$$.

If point $$P=(x,y)$$ divides $$\overline{AB}$$ in the ratio $$3 : 1$$ externally, then what is $$x + y?$$

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