Answer: 
Step-by-step explanation:
Given
Length of rectangle is 
Perimeter must be greater than 40 ft
Suppose l and w be the length and width of the rectangle

So, the smallest width can be 
Answer: 95metres for the length and the original cost is 2.105
Step-by-step explanation:
Let the initial length be x,
So, x+5=200/2
x+5=100
x=95
Note since the total price is the same and the original length is 95metres.
Therefore, the original cost per metre is
200/95=2.105
Answer: 10
Step-by-step explanation:
using
when
and 
so 





please give me a brainliest answer
Answer:
13? This is a total guess, I haven't done perimeter in years.... I feel bad for you!
Step-by-step explanation:
Sorry if it's wrong