If the perimeter of a rectangular garden is 600 m, its length when its breadth is 200 m is?
Choose the correct choice from the following answers
A) 299 m
B) 777 m
C) 200 m
D) 100 m
E) 128 m

Rationale: "2 ( l + 200 ) = 600 = > l = 100 m answer : d"
Answer: D