If the perimeter of a rectangular garden is 480 m, its length when its breadth is 100 m is?
Choose one.
A) 299 m
B) 140 m
C) 200 m
D) 167 m
E) 128 m
2(l + 100) = 480 =&gt; l   = 140 m   Answer:140 m
<result>B</result>
If the perimeter of a rectangular garden is 480 m, its length when its breadth is 100 m is?