If the perimeter of a rectangular garden is 800 m, its length when its breadth is 100 m is?
Choose the correct choice from the following options:  A) 338 m  B) 300 m  C) 200 m  D) 276 m  E) 971 m
2(l + 100)   = 800 =&gt; l   = 300 m   Answer:300 m
<result>B</result>
If the perimeter of a rectangular garden is 800 m, its length when its breadth is 100 m is?