If the perimeter of a rectangular garden is 600 m, its length when its breadth is 120 m is? Choose the most appropriate option:
A) 286 m
B) 180 m
C) 200 m
D) 166 m
E) 187 m
2(l + 120) = 600 =&gt; l   = 180 m   Answer: 180 m
<result>B</result>
If the perimeter of a rectangular garden is 600 m, its length when its breadth is 120 m is?