X andY begin to move from point O. X move 25 km from O to A, then 14 km from A to B. Y move 19 km from O to D, then 3 km from D to E, then 4 km from E to F, then 17 km from F to G. ⇒ BG = AD + EF = AO + OD + EF = 25 + 19 + 4 = 48 Km Hence Y is 48 km south of X.