3. Through the point $(2,3)$ on the line $\mathrm{p}: \mathrm{y}=2 \mathrm{x}-1$, a line $q$ perpendicular to line $p$ was drawn.

Find the area of the convex quadrilateral bounded by the lines $p, q$ and the coordinate axes.
Answer: $4.75 \mid 19 / 4$

## Examples of answer notation:

8

8.5

$17 / 2$

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