If the perimeter of a rectangular garden is 1200 m, its length when its breadth is 240 m is?
Choose the correct answer:
A) 338 m
B) 778 m
C) 200 m
D) 276 m
E) 360 m

Rationale: "2 ( l + 240 ) = 1200 = > l = 360 m answer : e"
Answer: E