VTMO 2026 - Grade 3 - Semifinal - SET 1 - Self-study Question 7

An and Bình travel from A to E. An takes $A\to B\to C\to D\to E$; Bình takes $A\to B\to F\to G\to E$. Given $BF=450$ m and $CD=200$ m, how many metres farther does Bình travel than An?