If the perimeter of a rectangular garden is 700 m, its length when its breadth is 100 m is?  Choose the correct choice from the following.
A) 299 m
B) 777 m
C) 200 m
D) 250 m
E) 128 m
2(l + 100) = 700 =&gt; l   = 250 m   Answer:250 m
<result>D</result>
If the perimeter of a rectangular garden is 700 m, its length when its breadth is 100 m is?